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Make This

This is what I was picturing. Can you make it real?

Ideas I want to exist but am not building myself. Each one has an AI video of the finished thing, so you don't have to guess what was in my head. The video is the picture. The build is yours.

Wanted · AI video, not a real product

Color Kill

Weed killer that turns dandelions into fireworks while they die.

A dandelion killer with color built in. Spray a dandelion and, as it dies, it shifts from yellow to orange to hot pink to deep blue before it goes brown. The lawn looks cool instead of patchy while the weeds die, and every colored flower is one you already hit, so you never spray the same weed twice or miss one.

What it needs to do

A weed killer plus a plant-safe dye or indicator that changes color as the plant breaks down. It kills dandelions only, the grass stays green, and it is safe for pets and kids once dry.

I can make this

Wanted · AI video, not a real product

Charging Coaster

A coaster that charges itself off the heat of your coffee. Then you charge your phone with the coaster.

Set a hot drink on it and the warmth soaks down into a thermoelectric plate inside the coaster, which turns heat into electricity and stores it in a small battery built into the coaster. It only runs on heat. Later you pick the coaster up and plug your phone into it. Your morning coffee becomes a power bank.

What it needs to do

A coaster with a thermoelectric generator plate that turns the heat of a hot drink into electricity, a small battery inside to store it, and a USB port to charge a phone from the coaster. It has to be honest about how many coffees equal how much charge.

I can make this

Wanted · AI video, not a real product

Step Charge Shoes

Shoes that make a little spark every step, save it up, and charge your phone.

The heel has piezoelectric crystals in it. Every time you step, they get squeezed and make a little spark of electricity. The shoe saves every spark in a small battery in the heel. Walk around all day, then plug your phone into your shoe.

What it needs to do

A comfortable sneaker sole with piezoelectric elements, a small heel battery, and a USB port, built to survive real walking and rain. It has to be honest about how many steps equal how much charge.

I can make this

Wanted · AI video, not a real product

Under-Car Windmill

Little magnet windmills under a car that make charge from the air rushing underneath. Right now it doesn't help the car. Can you make it?

Air rushes under a car the whole time it drives. A small housing catches a thin stream of it on the edge of a spinning disc. The disc holds a neodymium magnet that spins inside copper coils, and that makes electricity for the battery. Here is the honest problem: while the car is driving itself forward, every bit of power the windmill makes comes from pushing the car against it. The drag always costs more than the power you get back, because some energy is always lost along the way. That's physics, not a design flaw, and no blade shape beats it. So as drawn, it makes the car worse.

What it needs to do

A way to make it pay by only catching energy the car is already throwing away. 1) Parked: the car sits outside most of the day, so let the rotor open up and catch real wind while it's parked, for free. 2) Braking and downhill: open it only when slowing down. Then the drag is the brake you wanted anyway, and the power is free. 3) Everything else: fold it flat and sealed so it adds no drag while you cruise. Prove it with real numbers: watts made while parked in normal wind, and watts made per stop, against the weight and cost. It also has to survive dirt, water, snow and corrosion.

I can make this

Wanted · AI video, not a real product

Algae Exhaust Cap

A cap you clamp on a tailpipe, lined with living algae that turns the CO2 into oxygen.

A heat-proof metal cap bolts over the end of any exhaust pipe and adjusts to fit different sizes. Inside, the walls are lined with algae engineered to survive the heat. The CO2 from the engine passes over the algae and comes out as oxygen. Holes through the middle let the rest of the exhaust pass so the car doesn't choke. Photosynthesis needs sunlight, which a tailpipe doesn't get, so it has to be algae built to do this in the dark.

What it needs to do

A heat-resistant, engineered algae (or any living or chemical film) that converts CO2 from exhaust into oxygen without sunlight, in a clamp-on cap that doesn't restrict the engine. This is a biology problem first, then a hardware one.

I can make this

Wanted · AI video, not a real product

The Flower Presenter

Tongs a kid uses to snip a flower and hand it to their mom, standing straight up.

A kid sees a flower they want to give their mom, but a hand-picked flower gets crushed and droops. This works like tongs. Two long red bars are the handles, and a blue jaw and a green jaw are hinged at the bottom. Open the bars, put the jaws around the stem at the ground, and squeeze. The jaws snap shut, small angled edges snip the stem at the base, and the flower is held standing straight up out of the top. A pin locks it, the red bars fold together into one handle, and the flower gets presented upright.

What it needs to do

A kid-safe, colorful, printable clamshell with a stem cutter that can't cut fingers, a lock pin, and a fold-down handle, that holds any small flower upright.

I can make this

Wanted · AI video, not a real product

Molding Clamp Head

A clamp pad that melts around whatever you're clamping, then hardens to hold it.

Clamps only grip flat things well. Round pipes roll and odd shapes slip. This head screws onto the end of a C-clamp's screw, the part that turns and moves up and down, so it becomes the pad that presses down. Press the button and the head's face heats and bends down around whatever is under it, a pipe, a curved part, anything. Nothing melts out; the material itself bends to the shape. Let it cool and it holds that shape, so the part is locked and you can cut or drill right beside it. Heat it again and it goes back to flat. It uses heat instead of magnets, because magnets would mess with electronics you might be clamping.

What it needs to do

A clamp pad made of layered heat-activated material that softens and molds at the push of a button, hardens again to hold real clamping pressure, doesn't pass the heat through to the part, and resets for next time. Fits common clamp jaws.

I can make this

Wanted · AI video, not a real product

The Pan Handle

A small adapter that turns any household dustpan into a stand-up dustpan by screwing a broom pole into it.

Most home dustpans have a short handle, so you have to bend all the way down every time you sweep. Restaurants have the tall kind you use standing up. This brings that to the dustpan you already own. The adapter pushes into the half-circle notch at the back of a normal dustpan. Then you screw any threaded broom pole into the hole on top. As the pole threads in, the inner threaded piece moves down while a sliding ring inside pulls up, and the two pinch the dustpan's edge tight. Now the dustpan and the pole move as one piece. You stand up straight, sweep into it, lift it by the pole and dump it in the trash. No bending, easier on your back.

What it needs to do

A one-piece (or few-piece) adapter that grips the back edge of most household dustpans, even though their notches and wall thicknesses differ, and takes a standard threaded broom-pole tip. The hard part is the pinch: screwing the pole in has to clamp the dustpan tight enough that it doesn't wobble or twist when you sweep and dump. A threaded insert that drives a sliding clamp ring is his design; proving it holds on thin plastic dustpans without cracking them is the job.

I can make this

Wanted · AI video, not a real product

The Trihangle

Triangle-shaped hanger pieces that lock together into one hanging column, as long as you want, for the back of a door.

Each piece is a small triangle-shaped column with hooks on its sides. The back is flat, so it sits flush against a door or a wall. There's a hole at the top, so you can hang the first piece on an over-the-door hook or a stick-on hook. Then you connect the next piece underneath it, and the next, and the next. The hooks go into both pieces at once and sit down into place, so each hook also locks two pieces together. The more weight you hang on a hook, the harder it pinches the two pieces together. Because they're triangles, they nest into each other tightly and hang straight. Hang scarves, bags, hats, whatever you want, and add pieces until it's as long as you need.

What it needs to do

Make the joint hold. His first version used a small snap tab, and he worried it would break under something heavy like shoes. His second version uses the hooks themselves as the lock, hooking through two pieces at once so weight pinches them tighter. Someone has to print it and prove how much weight one joint and a full column can carry before it pulls apart, and that pieces still come apart easily when you want to rearrange them.

I can make this

Wanted · AI video, not a real product

Perfect Buns

A steel mold that bakes hot dog buns the same even shape every time, so you never get a lopsided bun again.

Ever had a hot dog bun that's cut way too far on one side, or not cut at all? This fixes it at the source: you bake the bun in its own mold. The mold is a long, narrow channel with a rounded bottom, about six inches long, made out of metal. You pour the dough in, and two thin metal strips across the top hold the top of the bun in place while it rises, so it doesn't puff out of shape. It goes in the oven like any baking pan. When it's done, you take the strips off and lift the bun straight out by a little handle. Every bun comes out the same size and the same shape. Make one twelve inches long and cut it in half, and you get two. You could even add little divots inside for mustard, ketchup and relish. It's meant to be made from 12 gauge sheet metal: cut the flat shapes, bend the curve with a run of small bends, bend the sides at 90 degrees, and weld it together.

What it needs to do

Build the mold and bake a real bun in it. Someone has to bend the rounded channel out of sheet metal (it's hard to get a perfect curve, so it may be a series of small bends), weld the ends, and prove the strips actually keep the top shape while the dough rises. The real test is release: the bun has to lift out clean without tearing, so it may need a nonstick coating or a slight taper, and the bake time has to work for a bun this narrow.

I can make this

Wanted · AI video, not a real product

The Close Pin

A clothespin with square notches cut in it, so two of them lock together cleanly and turn into a fidget toy.

If you've ever tried to stick two clothespins together, they kind of fit, but not really. This one is the same clothespin, same spring, same jaws, with small square notches cut into it. Those notches let two clothespins slot into each other and lock together tight, crossed in an X. You can also join them a second way, end to end, where they don't close all the way but still hold. The top edges are chamfered (cut at an angle), so the locked pair can balance on different edges on a table. It's mostly a fidget toy: snap them together, pull them apart, squeeze the jaws, balance them. And it still works as a regular clothespin.

What it needs to do

Get the notch size right. Someone has to print or mold a set and tune the square notches so two pins snap together firmly but still pull apart by hand, and so the cuts don't weaken the pin where the spring sits. Then prove the fun part: that the locked pair actually balances on its angled edges, and that it still clips laundry like a normal clothespin.

I can make this

Wanted · AI video, not a real product

The Cutter Cleaner

A block of bristles in a little stand: roll your pizza cutter through it and the blade comes out clean on both sides.

Cleaning a pizza cutter usually means a little brush and slowly wiping the blade, and it gets more annoying the longer you do it. This skips all that. It's a U-shaped stand holding a thick block of bristles. You press the cutter's wheel down into the bristles and roll it through. The bristles come up on both sides of the blade, so the whole bottom of the wheel gets scrubbed at once, and as it spins, every part of the edge comes through. Roll it through a couple of times and it's clean. The green strip on the floor of the stand has magnets on the bottom, so you can lift it out and set it at a diagonal. That lets you change the angle the blade goes through, because the bristles won't stay perfectly straight after a lot of use. The bristle block can come out to be cleaned or swapped for a new one.

What it needs to do

Prove the bristles actually clean. Someone has to pick a bristle that is stiff enough to scrub off baked-on cheese but doesn't get cut to pieces by a sharp wheel after a few weeks, and pack it dense enough to touch both sides of the blade at once. Then build the stand (he pictures bent metal) so it doesn't slide when you push down, with the magnetic strip holding firm at an angle, and make the bristle block easy to pull out and rinse.

I can make this

Wanted · AI video, not a real product

The Double Seeder

A pocket sunflower seed holder with a second spot built in for the shells, so you never need a cup to spit into.

The problem with sunflower seeds is you always need somewhere to spit the shells. Outside you can just spit them on the ground, but inside, in your room, you need a cup or a trash can next to you. This puts both in one thing. It's two short tubes joined together, with lids on both ends. One end holds the seeds: open the lid a little, tip it, and a few fall into your hand. Close it back up. Flip the whole thing over, open the lid on that end, and that's where the empty shells go. When you're done, shake the shells out into the trash and the seeds stay put on the other end. The lids are held on by little interlocking pieces, so they spin open without getting caught on anything and don't fall off. Small slits let the plastic bend, so you can press a lid and pop it out to clean it, then snap it back in. He based the idea on old mechanical pencil lead and eraser holders.

What it needs to do

Get the lids right. Someone has to print a set and tune the spinning lids so they open with one thumb but stay shut in a pocket, with the shell side sealed well enough that nothing leaks out when it's tipped. Then prove the pop-out: the slits have to bend enough to remove a lid for washing without the plastic cracking after a few uses. Size it so it holds a real handful of seeds and fits in a pocket or a car cup holder.

I can make this

Wanted · AI video, not a real product

The CMF Watch and Earbud Holder

One small desk dock that holds and charges a CMF watch and its earbuds, and tilts up so the watch works as a clock.

He bought a CMF watch and earbuds (CMF is the budget line from the company Nothing) and liked them, but there were no stands or charging accessories for them. So he designed one, partly as a portfolio piece to apply for their industrial design job. The watch side is a rounded base with a cavity shaped to the watch. The charger cable slides in from the side and pinches into a groove that locks it in place, with its two magnetic prongs sitting right under the watch. Drop the watch in and it connects and charges. No plugging anything in. The watch is big and bulky and won't sit flat on its own, so this gives it a flat place to sit while it charges. Two small supports slide in underneath to tilt the watch face up so you can use it as a desk clock, or pull them out and it sits flat. The cable can come out either side. The earbud side is a tray that holds the earbud case with a USB-C port built in, so the case plugs in as you set it down. Two prongs on the side let you wind up the extra cable to take it with you. Small holes on top are there for add-ons, like Jibbitz on a Croc, so people could personalize it or add lights.

What it needs to do

Nail the fit. His first print came out wrong (he scaled it 2% when he meant 20%), and the second fits but is loose. Someone has to measure the watch and its angled back exactly, test print tolerances (how much bigger does the cavity really need to be), and make the watch seat onto the magnetic charger pins every time just by dropping it in. Then confirm the earbud case lines up with the built-in USB-C plug without forcing it. He considered magnets to join the two halves but held off because magnets near the electronics could cause trouble, so that's open for someone to test.

I can make this

Wanted · AI video, not a real product

The Left Handed Grip

Snap-together foam grip pieces that wrap any right-handed tool handle so it fits a lefty's hand.

Most drills and tools are shaped for a right hand. Holding them left-handed is uncomfortable, but most lefties don't use a drill enough to buy a left-handed one. This is the fix in between. The grip is made of small identical pieces. Each piece has a blue memory-foam top that presses in and forms to your hand, and a pink rubber base that bends so it can wrap around a handle. A green ball on one end pushes into a socket on the next piece, so you snap on as many as the handle needs. The balls and sockets sit at the same spot on every piece, so they line up the same way every time. To close the loop, an orange ribbed plug (he calls it the Christmas tree) pushes into a slot. Inside the slot is a slide with little cylinders: push one in and small hooks pop out behind the ribs and hold the plug so it can't pull out. Because the hooks only come out after the plug is already in, nothing rubs and wears down like a zip tie tab does. To take it off, pull a little tab and the hooks pull back in. Plugs come in different sizes, the lock is always the same. Wrap it under the trigger, grab the drill with your left hand, and the foam molds to your fingers. Push it further in to make it tighter. He sees it on drills, hammers, kitchen tools, and next on computer mice.

What it needs to do

Prove the lock and the fit. The pop-out hook latch inside the slot is the part nobody has built yet: a small push-button slide that throws hooks behind a ribbed plug and pulls them back with a tab, strong enough to hold under real grip force. He also could not model the pieces on a curve, so someone needs to shape them to actually wrap a round handle. Then test it on a real drill with a real lefty, and check his own open question: do enough left-handed people use these tools to buy an add-on instead of a left-handed version?

I can make this

Wanted · AI video, not a real product

The Pin Measuring Tool

A pin-art toy turned into a tool: press something into the pins and it weighs it, measures it, and makes a rough 3D model of it.

You know the pin toy where you push your hand in and the pins show its shape. He turned that into a measuring tool in two parts. The bottom is a small box, the computer. It has power, reset and mode buttons, a little touch screen that shows the weight and measurements, an SD card slot for storage, a Bluetooth chip so an app can keep every measurement, a microcontroller that plugs into a computer, and an electromagnet that slides in and locks. The top is a head full of pins (his model has 759; a real one would have many more, smaller pins). Each pin has a small lip with a magnet or contact in it, and a circuit board under the pins reads how far each one was pushed down. Set something on it and the pins sink: how far they sink gives the depth and the shape, and the load gives the weight. Read all the pin heights together and you get a rough 3D model, enough to get the general shape of a spoon, a hand or a face without a 3D scanner. He also wants it to work out the full size of a circle from just a piece of its edge, like the top of a five gallon bucket. A second head lines the pins up over the electromagnet. Turn it on and it pushes the pins up to pin a part in place or make a small wall to work against, since the pins only move up and down. The head locks onto the box with one quarter turn: four pins with tabs twist into slots, two one way and two the other, so the pin plate, its base and the computer all lock together at once and swap fast.

What it needs to do

Prove the pins can be read. The hard part is sensing the height of hundreds of pins at once, cheaply: a contact, magnet or sensor per pin and a board that reads them all. Then calibrate weight from how far the pins sink, and see how fine the pins have to be before the 3D model is actually useful. He says himself the electronics are past what he knows, so this needs an electrical engineer. Scanning needs both sides of an object, so flipping and stitching two scans is open too. Pushing hundreds of pins up with one electromagnet means steel pins and a strong field; a simpler way might be a plate that lifts them all and a clamp that locks them.

I can make this

Wanted · AI video, not a real product

The Touchable Hologram

A hologram you can actually touch: hundreds of small metal balls held in the air by magnets, arranged into whatever shape you ask for.

Real holograms are only light on fog or particles, so there is nothing to touch. He went a different way: make the shape out of real things you can hold. The device is a square base and a square top plate held apart by one post at the back. There is one electromagnet in the center of the base and one in the top plate. They send fields toward each other, and where the fields meet in the middle they hold a cloud of small metal balls in the air. You say "make a square" and AI sets the magnets so the balls rearrange into a square floating between the plates. Small sensors on the corners (lidar) track where your hand is, so when you push or spin the shape the magnets adjust and it moves with you. Each ball has a tiny sensor and changes color where you touch it, so you can see your fingers on it, like Tony Stark's holograms but solid. His first version had a grid of tiny electromagnets top and bottom, one per ball, but that only lifts balls up and down, so it stays flat. One big magnet above and one below is what lets it make real 3D shapes. He sees it for trying a design before you make it, like shaping a watch holder in the air and setting your watch on it to see if it fits.

What it needs to do

Prove one stable floating shape. Physics is against the simple version: a fixed set of magnets cannot hold metal balls still in midair on its own (Earnshaw's theorem), so this needs fast feedback, sensors and electromagnets correcting many times a second, and probably extra magnets around the sides to keep the balls inside the space, which he mentions himself. Start with one ball held steady between two coils, then a few, then a rough shape. Moving many separate balls into a chosen shape is the hard open problem; acoustic levitation (sound waves holding tiny beads) already does small floating shapes and may be the more realistic road. The color-changing touch balls need power inside every ball, which is its own problem.

I can make this

Wanted · AI video, not a real product

The Mood Plant Pot

A plant pot that lights up green, yellow or red so you can see how your plant is doing at a glance.

You put your plant in it like any pot. In an app you tell it what you planted, say daisies, and it looks up how daisies like to be cared for. The base holds the electronics. A sensor in it checks the soil: how wet it is, how warm it is, whether it is flooded. If everything is right the lights glow green. If you have not watered in a couple of days they turn yellow, a little "hey, I need some help." Let it go for weeks and they turn red. Light strips run up the outside of the bowl, and the green only goes as high as the water inside, so the strips double as a water gauge: you can see how much more you can pour in. Overwatering is handled too. Small tubes connect at the bottom and run up the wall. Extra water rises into the tubes instead of drowning the roots, and as the plant dries out gravity pushes that water back down to it. His wilder add-on: let the plant answer you. Ask it a yes or no question, give it water, and whether it drinks decides the light color.

What it needs to do

This one is buildable now, and he says so himself. Store-bought soil moisture and temperature sensors already exist; wire them to a small microcontroller, an LED strip and a phone app with care settings per plant. The real work is keeping the electronics in the base dry under a wet pot, making the overflow tubes actually return water instead of just holding it, and getting the light strips to read the water level honestly. The talk-to-your-plant part has no science behind it yet; a plant does not answer questions, so treat that as a toy, not a feature.

I can make this

Wanted · AI video, not a real product

The Double-Decker Couch

One couch that lifts its top half up into a second couch above the first, for when more people show up.

From The Lego Movie, made practical. Closed, it looks like one normal couch: the top couch sits snug inside the bottom one. When more people come over, you raise the top couch straight up and now there is a second couch above the first, in the same floor space. He pictures it in college dorms. The lift works like a standing desk: strong metal telescoping legs, square tubes that slide inside each other, at the outer corners. The front legs carry the seat and have to sit far enough forward that the top couch can't tip out; smaller ones in the back hold the backrest so nobody falls backward. The obvious problem with any double-decker couch is the top row's feet hanging in the bottom row's faces. His fix: flip a lever and a footrest slides out from the top couch, so the top row rests their feet and the bottom row stays clear. His model is 70 inches wide with 40 inches between the two seats. He is 64 inches tall with a 33 inch torso, so it is tight sitting bolt upright, but nobody sits straight up on a couch, they lean back.

What it needs to do

Prove the lift holds people safely. Standing-desk legs are rated for a desk, not for two or three adults shifting around up high, so this needs heavier telescoping columns, a lock at the top that can't slip, and a frame that won't rock or tip forward when someone climbs up. You also need a safe way up (a step or ladder) and a seat height that fits real people: run trials with the 40 inch gap and adjust. Check it against furniture tip-over and bunk-bed safety rules before anyone sells one. A fixed double-decker couch with a ladder is the easy fallback; the lift is what makes it fit a small room.

I can make this

Wanted · AI video, not a real product

The Track Fidget

A quiet two-piece fidget toy for kids with autism: slide the top piece and every peg glides along its own track.

He took a movement from the old book 507 Mechanical Movements and turned it into a fidget toy for kids on the autism spectrum. It is only two pieces: a round disk with straight grooves cut into it, and a three-armed piece on top with pegs that ride in the grooves. Push the top piece and each peg can only slide straight along its own groove, so the whole thing moves in the same smooth, set pattern every time. The pegs have a wider foot under a narrower slot, so they never pull out. Why it helps: the motion is symmetrical and always the same, which suits kids who like repetition and structure. It is control without chaos. You can push it from any side with either hand. You feel the result the moment you move it, which builds cause and effect. There are no lights and no sounds, so it never overstimulates and is fine in a classroom, therapy room or in public. With no electronics you can wash it under the tap. He has already 3D printed it and plays with it. He plans to share the file, and wants input from people close to kids on the spectrum: textures, bumps or waves on the top piece, a different material, rings around the outside.

What it needs to do

This is printable today; he has a working print. What it needs is real kids and the people around them: test it with autistic kids, parents, teachers and occupational therapists and change it based on what they actually reach for. Try the textures he lists, make the pegs strong enough that nothing snaps off (small parts are a choking risk, so it is for kids past the mouthing stage), and tune the slot fit so it glides smoothly without rattling. Then make the file free and easy to print.

I can make this

Wanted · AI video, not a real product

Groovey

A quiet two-piece fidget toy for kids with autism: a red T-shaped slider that glides, tilts and spins along a curved blue groove.

Two pieces. A blue base with a smooth curved valley on top, and a red piece shaped like a short T: a curved bar to hold, a thin post, and a round foot that rides in the valley. You slide the red piece and its foot glides down the curve and up the other side, the same way every time. That is the predictable part. You can also lean it at an angle and spin it on its post, which is the little bit of surprise. If you tilt it too far, the edge of the foot catches on the wall of the groove and it stops. To keep it flowing you have to find the middle, which quietly trains fine motor control and hand-eye coordination without being frustrating. There are no batteries, no screens and no loud sounds. The only sound is the soft, steady scrape of the foot on the printed layer lines, and it is the same sound every time, so nothing startles a child. It fits in a pocket or backpack and does not care about sand, dust or water. Upgrades he names: drop BBs into the slots for a second sound and movement, add magnets in the side slots to pull the slider one way or the other, make the base see-through or glow in the dark, or swap in a different red piece (taller, bigger, a different texture). The groove itself can be reprinted as a zigzag, an S, or even the shape of a child's name, with a pen in the middle so they trace their name by muscle memory, which could also help someone relearning to write after a stroke.

What it needs to do

It is printable today; he has a working print. What it needs is time with real kids, parents and occupational therapists to see whether the predictable glide actually calms and focuses them, and which version of the slider they reach for. The weak spot is the thin post on the red piece: it is the part most likely to snap, and it is a small part, so it needs to be made stronger (thicker, or a different material) before it goes near kids young enough to mouth toys. The BB upgrade makes the choking risk worse, so it is for older kids only. The name-tracing groove is the most interesting stretch: someone has to prove a pen can ride the slider steadily enough to write.

I can make this

Wanted · AI video, not a real product

The Pathfinder

A fidget toy for ADHD: steel balls roll around an oval track, pulled along by magnets you steer from underneath.

A red oval track with a channel on top, and a blue piece that sits underneath it with magnets in it. Drop in as many steel BBs as you like. They sit in the channel and line up over the magnets below. Slide the blue piece along under the track and the balls follow it around the oval, as if something invisible is pulling them. Go slow and they stay with you. Go too fast and you lose them: they fall behind, or jump to the other side. Park the blue piece in the middle and the balls roll freely around the loop. Why it helps with ADHD: the motion is repetitive and predictable, which is calming. You have to watch the balls to keep them connected, so it builds focus and visual tracking. It rewards slow, controlled movement over impulsive movement, and you see cause and effect instantly. It is held in both hands (one on the red track, one on the blue piece), so it works grip, wrist rotation and finger control. No bright lights, no loud sounds. The track is swappable. It could be a squiggle, a giant loop, bigger and easier, or smaller and harder.

What it needs to do

He has a working print. To make it real someone has to tune the magnets: strong enough to drag the balls through the whole track, but not so strong the balls jump to the magnet and stick through the plastic. The track wall has to be thin enough under the channel for the pull to reach. Then it needs testing with kids who have ADHD and the people around them, to see if it really calms and focuses them. The swap-in tracks need a simple, strong way to clip on. Loose BBs and magnets are a serious swallowing hazard, so the balls must be sealed in (for example a clear cover over the channel) before this goes near young kids.

I can make this

Wanted · AI video, not a real product

The Clicker

A fidget toy for ADHD built around sound: slide the thumb knob and it clicks, the same way every time.

A red bar you hold like a TV remote. A loop under one end sits in your palm, and your thumb rests on a blue knob that rides in a slot along the top. Push the knob forward and back. One inside wall of the slot is lined with a row of small ridges, so the knob clicks over them as it moves. You feel each click and hear it. Why it helps with ADHD: most fidget toys are about touch. This one is about sound. The loop is the same every time, nothing new, which helps calm and regulate. You can go fast to burn off nervous energy, or keep it going quietly in your hand while reading or writing so the restless part of your brain has a job. It works with a thumb or any finger, on either hand. A small lip at one end keeps the knob in, so it survives a pocket. Pull it all the way back and it lifts out, so it can be swapped for a different knob.

What it needs to do

He printed it, but 3D-printed plastic makes a thin, scratchy click, and he says himself the sound is the hard part. A maker needs to find a click (or a bell, or another tone) that is actually satisfying and that does not wear smooth after a few thousand passes, which probably means a spring detent or a separate snap part instead of plastic dragging on plastic. The grip lets you squeeze hard, so it has to be strong enough not to snap in an angry hand. It is noisy by design, so it is a home toy, not a classroom one. And it has never been tried with kids who have ADHD; that test is the real proof.

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The Twister

A fine-motor toy for small kids: pinch a little key, twist the lid off, and get the treat hidden inside.

A short blue cup with a red lid that screws into it, and a small green key. A treat (a piece of candy, a small toy, whatever motivates the child) goes in the bottom and the lid gets screwed down flat. The child pushes the green key into the square hole in the middle of the lid, pinches it, and twists. The lid turns, climbs up the threads and comes free, and the treat is theirs. The point is not fidgeting, it is the skill. The key is small, so the child has to pinch and twist at the same time. One hand holds the cup still while the other turns, so both sides work together. It is the same wrist-and-fingers motion as opening a bottle, a jar or a doorknob, and it builds hand strength. The hidden reward makes practice feel like a game. It grows with the child. A second key shaped like a T is gripped with the whole hand instead of the fingertips. The lid can be made stiffer to turn (a rubber band, a silicone ring or magnets). And a mirror version that unscrews the other way trains the other hand, so it does not only build one direction. He puts it at about ages 3 to 7.

What it needs to do

Someone has to dial in how hard the lid is to turn, because that is the whole product: too loose and it is no work, too tight and a three-year-old gives up. That means printing fine threads cleanly and finding a stiffness add-on that stays consistent. A left-hand-thread version needs to exist. The key and any candy are small enough to choke on, so the key needs to be too big to swallow or tethered to the cup, and the whole thing should be tried with an occupational therapist and real kids before anyone claims it helps.

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The Mind Maze

A hand-sized maze board for kids: steer a little slider through the grooves to one of four corners.

A flat board with a maze cut into the top as grooves, and a small square slider that sits in the groove. A handle plugs into the slider. The corners are marked A, B, C and D, so there is not one finish but four. Hold the handle like a pencil and push the slider along the path. It can only go where the groove goes, so the child has to look ahead, plan the route, and then move steadily enough to get there. Why it helps: it trains control and steadiness with a tool, the same grip as writing. It joins planning with the eyes to moving with the hands. And it can be a game more than one way: visit every letter, race the clock from A to C, or spell a word by going corner to corner (B, A, D spells BAD). Swap-in handles (a ball, a straight stick, a pencil shape), extra maze boards, and blockers that close off a path keep it from getting old. He puts it at about ages 5 to 10, and thinks it could help kids with autism, ADHD, cerebral palsy and developmental delays.

What it needs to do

His own print showed the hard part: he sized the slider wrong and fell back on a magnet to move it. Someone has to work out how the slider stays in the groove but still turns corners smoothly, probably a T-shaped foot under a slot or a magnet steered from underneath, and get the clearances right for a printer. The swap-in handles, letter tabs and blockers need a simple snap fit. It needs a version simple enough for younger kids, since he worries a hard maze makes them give up. Small parts mean a choking warning. Any claim that it helps with a disability needs testing with an occupational therapist first.

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Ralph

A steady-hand trainer for kids: push a floating magnet tile down a shaft with a pencil without letting it flip.

A tall box with a square shaft open at the top and a drawer at the bottom. A small square tile with a magnet in it sits in the shaft. Magnets in the drawer below face it the same way, so they push apart and the tile floats. The child puts a pencil tip on the middle of the tile and pushes it down, slowly and evenly. Go too hard, too fast, or off center, and the tile flips over, the magnets grab instead of push, and it drops with a loud clack. That is a fail. Get it all the way down quietly and it is a pass. Either way, the drawer slides out the front to take the tile out and set it up again. Why it helps: it teaches even pencil pressure, a steady hand, and slow, deliberate movement, the same control writing needs. You can make it harder with stronger or extra magnets (with spacers to tune them) or a deeper shaft, and add a prize for a clean run. He puts it at about ages 5 to 9.

What it needs to do

His own print showed the real problem: a pencil tip is too small a point, so the strong bottom magnets flip the light tile almost instantly. Someone has to tune the balance, probably a bigger or heavier tile, a wider custom pusher (he suggested an X-shaped tip) instead of a pencil, and magnet strength set by stackable spacers so it can start easy and get harder. The tile's clearance in the shaft has to let it flip on a fail but not jam. Strong small magnets mean a swallowing hazard, so they need to be sealed in. Any claim that it helps with ADHD, autism or coordination disorders needs testing with an occupational therapist first.

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The Three Peet

Three small fidget toys in one set, each one working a different hand skill: spin, pinch, and launch.

Three pieces that sit side by side. The spinner: a round base with a ring track of steel BBs inside and a red top. Put a thumb on the top and turn it, and a little stopper under it pushes the BBs around the track. No magnets, so it never misses a ball. It trains smooth, steady rotation. The open center could hold a bigger handle for a whole-hand twist, or a small cross to turn with three fingers. The pincher: two arms joined by rubber bands hooked on removable pins, each arm holding a block with a magnet in it. Pinch the blocks together and they snap shut; then pull them apart against the magnets. It builds pinch strength for things like holding a pencil, zipping a zipper or opening a chip bag. More or stronger rubber bands, or wider arms, make it harder. It's quiet enough for a classroom. The launcher: a disc with a curving groove and a spring plunger at the edge. Pull it back, let go, and a BB shoots around the groove toward the hole in the middle. It trains timing and how hard to pull. He made the curves on purpose not quite perfect circles. He sees them clipping into a grid or a table so a classroom can build its own fidget station.

What it needs to do

He printed all three and the launcher worked first try, but he never worked out how the three join, so that is the open job: magnets, clips, a shared base or a grid table, decided by someone who builds it. The spinner's track and stopper need tuning so the BBs move smoothly without jamming. The pincher needs a set of rubber band strengths and finger holes. The launcher should let the BB come back out easily (he even pictured a small candy as a reward). Loose BBs, small magnets and springs are a choking hazard, so everything has to be sealed for kids. Any claim that it helps with autism, ADHD, cerebral palsy or other conditions needs testing with an occupational therapist first.

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Ring Light Fix

A small snap-in clip that stops a cheap ring light from flopping over on its stand.

His ring light would not stay upright. The nut inside its mount was supposed to be held by a thin little ridge, but it just spun and slid, so the light and the phone in it kept tipping forward. He fixed it with tape first. The real fix is a small printed clip that pushes up into the hole on the bottom where the stand goes. Its arms pinch the six-sided nut from the top and along its length, and one part drops into a groove so it cannot spin. It snaps in with a click. Because the nut is six-sided and boxed in, it cannot turn or fall out. The first print had a sizing mistake but the idea worked. The second version adds a brace that slips over the clip to keep its arms tight and gives the back support, so the light holds the phone without rocking. Then the stand screws in as normal and everything is pinched together.

What it needs to do

His version is sized for one ring light, so the job is a version other people can use: measure the common cheap ring light mounts (or make the clip adjustable) and publish the matching files. The fit is tight, about four hundredths of an inch of play, so the print settings matter. It needs to hold a heavy phone at an angle without the arms bending, which his brace mostly solves but not perfectly. Simple to make; the work is the measuring.

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Magnet Organizer

A printed tray with a groove for every size of magnet, so 600 strong magnets stop clumping into one tangled ball.

He has about 600 small neodymium magnets in one plastic box. Because they are so strong, they grab each other in every direction and the box turns into one jumbled lump. You can never find the size you want. The fix is a flat tray that fits right inside that same box. It has long grooves, one for each magnet size. He measured every magnet's width and how long a stack of them gets, then sized each groove to fit that stack. You drop a stack in and it sits there in a neat row, like a roll of coins. Then the whole tray goes into the box. The first print mostly worked. The tiny magnets were the hard part: they fit their holes so tightly he could barely get them back out, and some grooves were a little too small.

What it needs to do

Neodymium magnets pull on each other through thin plastic walls, which is exactly the fight he had while loading it. A maker needs to space the grooves far enough apart (or make the walls thicker) that neighboring stacks stop tugging, and leave a little room plus a finger notch or push-out hole at the end of each groove so the magnets can come back out. The real product is a set of trays sized to the common magnet assortment kits sold online, so it drops straight into the box they come in.

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Protein Funnel

A screw-on funnel cap that gets the last scoops out of a nearly empty protein tub, straight into a cup.

When a protein tub gets low, there is just a little powder left at the bottom. The scoop can't get a good bite of it, and tipping the tub to pour it out makes a big mess. The fix is a wide red cap that screws onto the tub where the lid goes. Underneath it is a small spout, and a little cup pushes onto that spout. The cup's handle slides into a slot on the side of the cap so it locks on and won't fall off. You flip the whole tub upside down, give it a shake, and the powder runs down through the cap into the cup. Then you take the cup off and you have your scoop. A splash of water in the cup gets out whatever powder sticks. His first idea was to screw a shaker bottle right onto it, but every brand of bottle is different and that version took days to print, so he went with the small cup. It's meant for the end of the tub. When the tub is full, the regular scoop works fine.

What it needs to do

Printed threads were the weak spot: his never actually twisted on, he just held it in place. A maker needs to measure the real neck thread on the common protein tub sizes and either print a matching thread carefully or make the cap a snug push-fit with a rubber ring. His next step is a sliding gate in the cap: tip the tub, pull a tab to let one serving fall into the cup, push it closed. That would make it work on a full tub too, and is the version that could sell.

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Pen Organizer

Small printed blocks that each hold one pen at an angle and lock together into any shape on your desk.

He's a pen guy with a lot of pens and no good spot for them. One pen on the desk just flops around. The fix is a small block with a hole in it that holds one pen. Getting it to stand took a lot of tries: straight up fell over, a longer block fell over, a chapstick for weight worked until he wanted the chapstick. What worked was making the block wider and tilting the hole so the pen leans outward. That angle turned out to be the whole trick. The sides of each block are cut at the same angle, so the blocks lock together like Legos. Put enough together and they close into a ring of pens, highlighters and pencils, all leaning out. Add spacer pieces and the ring gets bigger, big enough to set a drink or a desk timer in the middle, where the pens act as a bumper so a sweeping hand doesn't knock the drink over. From there it becomes a system: blocks for sticky notes, erasers, a thumb drive slot, corner pieces like PVC pipe, so you can run a row of pens along the back of your desk. A small block prints in about 30 minutes.

What it needs to do

The joint is the product. A maker needs to make the lock between blocks firm enough that the ring can be picked up in one piece, but still easy to pull apart, since some of his were hard to separate. Then design the other pieces he described (corners, spacers, sticky-note and thumb-drive holders) on the same joint so they all mix. Since every hole is the same size, the pieces work with any pen.

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File Organizer

A desk holder where every 3D-printing file drops into a hole shaped exactly like it, so it stands up, doesn't spin, and comes out in one pull.

The files you use to clean up 3D prints come in a cardboard sleeve. To get one out you snap it open and dig. The sleeve starts ripping on both sides, and it takes way too long every time. The fix is a holder with one hole per file, each cut to that file's shape: triangle, circle, square, half-round, a big flat one, and a small flat one with a pointed tip. Drop a file in and it fits right in and doesn't spin. Pull it straight out when you need it. The big round hole in the middle is for a chapstick, because why not. The second version has small tabs on the sides so it clicks onto his pen holder blocks. Keep adding pieces and you build whatever shape you want for the corner of your desk: files, pens, a clock, a thumb drive, a spot for a drink. And it still stands by itself, even with a few files pulled out.

What it needs to do

Every hole has to match a real file set's cross-sections closely enough that nothing spins, with a little chamfer so the files drop in easily. One file still wiggles in his version, so that hole needs work. The chapstick hole has a small draft that grips the cap so well the cap won't come back out. Loosen it. Then put the side tabs on the same joint as the pen holder blocks so the two systems mix.

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Desk Organizer

Small printed holders, one per desk tool, that plug into each other like outlets so you build your own organizer one piece at a time.

Calipers, flush cutters, files, a calculator, a timer, a tub of tiny BBs: the tools he uses every day on the 3D-printing desk have no home. So every tool got its own holder. The calipers sit in a slot with a stopper at the back, so they go in the same spot every time. The cutters drop into a cradle and flop down. The calculator stands in a holder that doesn't tip over (pens fall over, these don't). The BBs live in a little box: fill it through the top, pull the tab out, push it back in, and a couple come out. No more shaking a big tub into your hand. Every holder has the same male and female joints on its sides, like plugs and outlets, so they all connect. Straight connectors, angled ones, a 90-degree piece and double-sided male and female pieces let you turn the row any way you want. It's like Legos for your desk, and it works with his pen and file holders too.

What it needs to do

The joint is everything. His best female triangle is 0.75 in and fits right, but print layer lines make some joints stiff, so a maker needs a joint that slides smoothly off a normal printer and still holds. The BB dispenser sometimes lets out more than one, so the gate needs to meter a small, steady amount. Then lock the connector set (straight, angled, 90-degree, double male, double female) so every holder ever made plugs into every other.

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Bathroom Organizer

Clip-together holders that give your toothbrush, toothpaste, hairbrush and deodorant each their own spot, so nothing lives in a gross bag.

He kept his toothbrush, toothpaste, hairbrush and deodorant in one little bag. To get the toothpaste you reach in and dig. The toothbrush bristles end up on the bag or caught in the hairbrush. It's just overall bad. The fix is a set of holders that clip together on a rail. Each item has its own spot: the toothbrush sits with its bristles touching nothing, the deodorant drops in and out, and one piece has slots so its item fits in perfectly every time. Small drawers underneath hold Q-tips or whatever else. It works in a drawer (pull it out, grab, done), in the corner of the counter, or on the wall with command strips, with drawers you can slide around. The side pieces can move to the front, the back, or the other side. And it's the same size as his desk organizer pieces, so those parts clip on too. Modular organization is the key.

What it needs to do

A maker has to make the clips hold steady in a wet bathroom and still pull apart, and give the drawers a handle (he noted one is tricky to open). The wall version needs a real mount and an angled holder so things don't fall out. Keep every piece on the same joint as his desk organizer so the two sets mix, and use a print material that can handle water and toothpaste.

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Midnight Idea Holder

A sticky-note and pen holder on the wall over your bed, so you can write down a midnight idea without turning on your phone or taking off your sleep mask.

You're trying to sleep and an idea hits. Turning on your phone wakes you up, and you don't want to take your blindfold off. So there's a diamond, arrow-shaped holder on the wall above the bed, stuck on with command strips and Velcro, so it stays put until you pull it off. A sticky note pad sits in it, and the pen sits across the front, which also holds the pad in. You find it by feel: feel the pen, feel the pad. The holder has little marks along its edge, a guide for numbering your ideas (your first one, your 12th one) and for feeling where the edges of the note are, so you can give it a title and write it out without your eyes. Peel the note off, stick it on the wall, put the pad and pen back, and sleep like a baby. In the morning your ideas are on the wall.

What it needs to do

Everything has to work blind. A maker needs the pen to snap in and out by feel and hold the pad snug, swapping in a new pad has to be easy, and the number and edge guide has to be something you can actually read with a fingertip in the dark. He says it takes a little messing around to get the pen back in, so that fit is the first thing to fix. The Velcro and command-strip mount has to hold through nightly grabbing and still peel off clean.

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The Car Tree

A small stand that holds three toy cars at an angle so they show off instead of fall over.

Toy cars and spools are hard to keep. Stack them and one bump knocks them all down. Stand them up and they roll away. The Car Tree fixes that with angles. A short post has three arms that point up and out. Each car slides onto an arm nose-first and hangs at an angle, wheels off the table, so it never touches the ground. Take one off and the other two stay put. The center has a small opening so the whole thing can sit on a spinner and turn slowly, like a display case. Stands can stack, one on top of another, three more cars per level. The same angle trick holds spools of bracelet string so you can grab the color you need.

What it needs to do

Make the arm fit that holds a die-cast car firmly without scratching it, for the common car sizes. Then make the spin real: a small, quiet turntable or motor base that fits the center opening, and a way for a second stand to lock onto the top of the first so a stacked tower stays steady.

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The Slab Frame

A frame for one graded card that stands on a desk or hangs on a wall like art.

If you only own one or two graded cards, they end up in a drawer. This gives one a real place to be seen. Flip out the kickstand on the back and the frame stands up. Slide the graded card case down into the pocket from the top and it lines itself up. It fits both PSA and CGC cases. The side has three small pockets for magnets, so you can stick on decorations and make it yours. The back has a notch that hangs on a nail, so the same frame goes on the wall.

What it needs to do

Make one frame that holds PSA, CGC and Beckett cases snugly without forcing them, so the case never cracks going in. It has to stand steady, not tip over at a light touch, and the magnet pockets need to let the magnets go in and come back out. Last, make it look like a frame worth hanging, not a print with lines showing.

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Box Squared

A carry case where every small box has its own spot inside a bigger box, with a handle that clips on.

It's a box that you put boxes in. A big open box holds smaller boxes and trays, and each small one has its own spot, so a toy or a set of parts always lives in the same place and doesn't slide around. A separate handle clips onto the side of the big box. Clip it on and the whole thing carries like a briefcase. The first print was a 4 by 4 inch box and took 14 hours, so the next step is making it full size.

What it needs to do

Make it full size without the 14-hour print: the big box has to come out clean and quick, the small boxes have to drop in snug and stay put when you carry it, and the handle has to hold the full weight without the clips popping off. Then give it a lid that opens in a way that feels good, so it really works as a case.

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POOL

A pool game spelled P-O-O-L: toss the O's in, catch them underwater on the peg of the P or the L.

The four pieces spell the word POOL. The P and the L are handles, each with a short peg sticking out like a little spear. The two O's are thick rings with grooves around the outside so they spin. One person tosses an O into the water. It spins and sinks. The other player goes after it with the P or the L and tries to stab the peg through the middle of the ring before it hits the bottom. The spinning and wobbling is what makes it hard, like going after a missile.

What it needs to do

The first print failed the real test: the rings didn't sink right, couldn't be thrown, and filled with water but stayed too light. A maker has to get the rings heavy enough to sink at a fun speed (a sealed weight inside, or a denser material) and shaped so they spin when thrown flat, maybe with small fins. The hole has to be big enough to spear underwater but not so big it's easy. Everything has to be safe in a pool: no sharp edges, nothing that breaks off.

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The Orb

A 3D-printed flying-saucer shape that squishes, nests inside itself to spin, and holds a can.

It started from a lamp shade made of 3D-printed layers at wild angles. The walls are printed thin, a few nozzle-widths thick, then angled out at 45 degrees from a small lip and mirrored on top of itself, so you get one full saucer shape. Because the walls are so thin and angled, it squishes down and springs back. Add holes and it squishes even more. Make one a little bigger and push a second one inside it, and the inner one spins. Put a can in the middle and the shape holds it, so it doesn't tip over. There are about 26 ideas for this one shape. These are the first three.

What it needs to do

Find the real use. Angles below about 35 degrees didn't print well, 40 to 45 worked, so stay in that range. The nested version came out either too loose (it fell out) or too tight (it wouldn't hold or spin), so a maker has to nail the fit so the inner piece stays in and still spins freely. For the can holder, prove it really keeps a full can from tipping, not just an empty one.

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The Chimney Cap Lifter

Two small bolt-on blocks that let you take the rain bucket off a 13-foot chimney with a broomstick, standing on a step stool instead of a ladder.

His parents heat their house with an outdoor wood burner. To keep rain out of the chimney they set an upside-down 5-gallon bucket over the top of the pipe. The top of that pipe is about 13 feet up, so every time the bucket had to come off or go back on, someone climbed a ladder next to a hot stovepipe. One slip and it is a bad fall. The fix is two 3D-printed blocks bolted onto the side of the bucket, one above the other. Each has a round hole facing down. The lower block has a hole that goes all the way through, so it lines the pole up. The upper block's hole is closed at the top, so the pole stops there and has something to push against. Chamfers on the openings let the pole find its way in. To use it, you stand on a short step stool, slide any long pole (a broomstick, any long stick) up through the lower block and into the upper one, and push straight up. The bucket lifts off and comes down on the end of the pole. To put it back, you seat the pole in the blocks again, raise the bucket over the pipe, set it down, and pull the pole out. He says it takes five or ten seconds and the bucket sits solid. Each block is about a four-hour print.

What it needs to do

A maker has to turn this into something that fits more than one bucket: a mount that bolts or clamps to any standard 5-gallon pail, a socket sized for common broom and paint-pole handles, and a block that holds up in sun, rain and cold. The real check is heat. The blocks sit right over a working chimney, so someone needs to measure how hot the bucket and blocks get when the burner is running and pick a filament that will not soften there (PETG or ASA, not PLA). A plastic bucket on a hot flue is its own fire question, so a version for a proper metal rain cap would be the safer product.

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