Mini LineBot Arduino Based Line Follower Robot Kit Robot Kits Jsumo | JSumo.com
Amazon.com: MakerFocus DIY Robot Car Smart Chassis Kit with Speed Encoder 4 Wheel 2 Layer for Ar duino UNO MEGA2560 MEGA1280 51 Microcontroller Board : Toys & Games
MB102 - futurekit
Parallax Boe - Bot Robot Kit | Boreal Science
Mini 3-Layer Round Robot Chassis Kit - 2WD with DC Motors : ID 3244 : $24.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Motor Robot Kit Basic (MRK Basic) Resource Center - Digilent Reference