The 4M Solar Rover is an assembling activity to build a rover or vehicle using a motor and solar panel. No batteries are required. A desk lamp shining close to its solar panel would enable it to run indoors. Includes: a chassis, 4 wheels, motor with wire and worm gear installed, solar panel, 2 reflector panels, accessories and detailed instructions. Required: a small crosshead screwdriver and empty soda can (not included). Age 8+ years. Part of the Eco-Engineering range.