Caterpillar moves by expanding and contracting pistons in a coordinated fashion. This moves the feet forward one at a time. It moves forward very slowly.

This is a third generation robot design. The first generation was created by that great Japanese builder Joe Nagata. It is named Walker 1 [K103] The second generation was Droid Developer Kit walker made by Miguel Agullo. I created the third gerenation, by adding a new stepping drive mechanism. The name CAN stands for Clague-Agullo-Nagata.