Thames & Kosmos SolarBot: Cosmic Explorers

Available from The Red Balloon Company when we last checked. Sold from the shop’s own store; the price there is the one that counts.

Build five out-of-this-world robots that are powered by the sun — batteries not required! First assemble the main robot, Helio, complete with solar panel, electric motor, and gear wheel. Then construct four space exploration vehicles to help Helio travel around the universe. As you quickly move Helio from one vehicle to another, the gears click into place, and the compact solar panel instantly begins converting sunlight into electricity, which powers the electric motor. Build a walking bot that