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South-Pointing Chariot Kit

South-Pointing Chariot Kit

Indie makers RLT Industries of New Braunfels, Texas, sells this lovely wooden model kit of the classic “south-pointing chariot” mechanism. Set the chariot down with the vane pointing in an arbitrary direction — south, north, whatever — and a geared differential connected to the wheels will keep it pointing the same direction regardless of which […]

Desktop Trebuchet

Desktop Trebuchet

RLT Industries has gone above and beyond with its Desktop Trebuchet kit. Each piece of wood is carefully chosen and precisely computer-cut. All the required tools can be found around your house or at a hobby shop, and the instructions are very detailed. However, as instructed, I used wood glue on the main frame and […]

Atlatl Kits

Atlatl Kits

If you’ve ever wanted to hurl spears to bring down a woolly mammoth, then these two kits from Thunderbird Atlatl are the way to go. The Nanticoke and Kanakadea kits are both high quality and simple to build, so with a little time and effort you can make a very nice-looking atlatl suitable for serious […]

Printable Iron Man Shoelace Covers

Printable Iron Man Shoelace Covers

Everything about this printable from Thingiverse user DrewPetitclerc makes me happy. Especially his description: “For many decades I’ve had trouble getting interesting shoe designs, my size is not common and I got tired of being told no or we have these in white or black only, so when I found you can design your own on the internet…”

The Truth Meter

The Truth Meter

See what happens when someone asks you questions or when you laugh or get surprised. Everyone responds differently. See if you can turn the LED on with your mind. Try it on your friends or adversaries — it’s a great way to get to know someone! We’ve even included a few extra resistors, so you […]

Brain Machine

Brain Machine

Hack your brain! Put on these glasses and headphones, close your eyes, and enjoy some harmless hallucinations as you drift into deep meditation. You’ll come out after the 14-minute program feeling fabulous. Sound and Light Machines (SLMs) help people sleep, wake up, meditate, and more. They work by generating light pulses (seen through closed eyelids) […]