Thames and Kosmos Air-WalkerA robot that defies gravity?! Thats what you get with Air Walker, a four legged bot that uses an ingenious system of suction cups and pumps to crawl along smooth, vertical surfaces like windows. A follow up to the award winning Geckobot STEM experiment kit, Air Walker uses technology similar to that found in its reptilian predecessor, but with easier assembly. Your Air Walker can crawl in a straight line, to the left, or to the right, while a special