This is the Crawli. It's a crawling soft robot that only uses one air input. I've tried my best to make it as small and simple as possible.Instructables Guide:http://www.instructables.com/id/Simple-Walking-Soft-Robot/Videos:https://www.youtube.com/watch?v=JfIv6fwapVQhttps://www.youtube.com/watch?v=JMJM_RwoKgc