Dept.: You Built What?!


Tech: Motorized monowheel


Cost: Around $5,000


Time: 900 hours


Jake Lyall thinks the idea for a new kind of motorized one-wheeled vehicle came to him in a dream. Which makes sense, given that the 37-year-old part-time programmer and Renaissance Fair jouster had never worked for a garage, studied engineering, or even held a welder before he built the RIOT Wheel.