This customizable, remote-controlled robot kit has 105 interchangeable parts that enable children to build limitless motorized robots with flashing lights, mechanical claws, and a rolling base. The color-coded, step-by-step manual provides easy-to-follow instruction for building four robots, including a crab and dinosaur, or young roboticists can rely on their imagination to create countless designs. 30 gears, two claws, four wheels, three LED lights, fiber optic "whiskers", a motor, and a host of other parts are easy for little hands to assemble and pull apart. The remote control propels the robot forwards and backwards from up to 25' away. Motor requires three AA batteries; remote control requires four AA batteries. Ages 5 to 9. 14 1/2" L x 11" H x 5 1/2" D. (3 2/3 lbs.)