This is Shellby 2 (named after a tortoise by my son) - the quickest thing I could fudge together when I received (with glee) my BrickPi Kickstarter reward, note the jury-rigged 8x AA cell pack … not going to be easy to find something more permanent in the UAE, and a fortune to ship.

He does indeed ‘work’ either navigating autonomously to avoid obstacles using the ultrasonic sensor, or running a forked python HTTP server as a web remote control RC tank.