eraser on technabob...

This is a pretty sweet autonomous robot that employs pencil erasers as bumpers. It’s called No. 2, Champion Autonomous Mini-Sumo Robot (a name that just rolls off the tongue, no?)

It was made by David Cook (not the American Idol winner, though, it’s a different David Cook.) The process of making this bot is detailed, and I do mean detailed, on his website Robot Room…