http://www.robotshop.com
The OWI Rhinoceros beetle Robot is an infrared remote controlled robot with caterpillar tracks. The infrared remote control handset has 8 channels, each channel controls 4 motors: 2 motors control directional movement: forward, backward, left and right (variable speed); one motor regulates the tilt of the claw; lastly, the 4th motor opens and closes the claw.