PUSH MY BUTTONS AND WATCH ME GO! The 4th generation of WAOprogrammable robot kits. WAO Cranium is a 2-wheeled robot that youcan program to follow an interesting path WITHOUT a personalcomputer. The brain is an 8-bit micro-controller and keyboard with 33tactile buttons. Stores up to 60 programming steps and 30 FOR-NEXTmultiplex loops. 6 vision sensors (two infrared light sensors to detectobstructions and four floor light sensors enables it to detect a contrastof light like an edge of a table). Programming makes you plan ahead,think systematically and logically, develop problem-solving skills, andchallenge you to think creatively.Easy to assemble. Intermediate level kit.