Captain Roam-E-O is solar powered toy robot mini kit that inspires children of all ages. Captain Roam-E-O is an all-terrain solar rover with a 4 wheel drive system with 6 wheel mechanical suspension. It gets it power from the sun by using a small solar panel. It features a planetary gear transmission system and adjustable robotics arms. This is a kit with 67 parts that require assembly. The completed Captain Roam-E-O measures 4.13 x 2.97 x 3.11 inches. The manufacturer recommends the kit for children 8 and up. We suggest that adults provide assistance during assembly. Explore solar power, mechanical transmission and electric motor theory with Captain Roam-E- O. Ideal for a do-it-yourself, D-I-Y, science fair, summer project or camp activity With 67 components, it's a terrific solar kit for an alternative energy enthusiast system. With direct sunlight, Captain Roam-E-O will continue navigating planet Earth Great introduction to learning mechanical transmission and electrical motor theory No Batteries Required.