The Mitsuoka K-4 may be pedal-car small, but at least it's probably scary as hell to drive and you can put it together yourself. (Those are pretty serious selling points for some.) Although the K-4 is powered by 50cc engine and tops out at 30 mph, we'd still get one just to bang around the Jalopnik country estate in, like Master Bates in "The Toy." [Thanks to Ilari for the tip.]

Japanese Do-it-Yourself Cars [MAKE]

Hello Little Cars: The Mitsuoka Micro