Featured in you built what?!
Thar She Blows
An eight-cylinder snowblower takes on winter in Canada
This Sculpture Turns Movement Into Music
Meet the Treequencer.
A DIY Submarine That Can Dive 30 Feet
It's even got a skylight.
You Built What?!: A Tractor For The Apocalypse
A modular, open-source workhorse to help rebuild civilization.
You Built What?! A Home for the Long Haul
An eco-minded couple hits the road in a DIY covered wagon--with a bonus outdoor cat porch.
You Built What?!: A Remote-Controlled Robo-Arm
A 16-year-old's homemade wireless robotic limb
You Built What?!: A Tesla Coil Gun That Produces Foot-Long Sparks
Modeled after a Nerf gun--but with 200,000 volts under the hood
You Built What?!: An Electric-Assist Chopper-Style Bicycle
A 180-pound, 8.5-foot-long Frankencycle
You Built What?!: A Fire-Breathing, Jet-Powered Dragon
A 50,000-volt stun gun and liquid propane canister lets the flames fly
You Built What?!: A 14-Ton Pizzeria on Wheels
The oven alone in this behemoth is a whopping 5,000 pounds