Learn the basics of robotics by building the crab-like Table Top Robot by 4M. When activated, the robot crab scuttles under its own power, changing direction when encountering an obstacle or edge. Place it on a tabletop and watch it perform acrobatic tricks. It never falls off! No special tools or knowledge required; the kit contains detailed instructions and all the necessary parts. Requires one AAA battery (not included). Item# 5576