Watch this Aqua Robot swim along when sunlight shines on its solar cells. Aqua Robot can be powered by battery when there is no sunlight.ŒæContains 1 Body, 1 Gearbox, 1 Battery holder, 1 Tail, 2 Paddle wheels, 1 Gearbox cover, 1 Eye support, 1 Solar panel, 1 Solar panel holder, 1 Pairs of wires, 1 Battery cover, 1 Support arm, 1 Motor, 1 Motor cover, 2 Eyes, 3 Terminal caps, 5 Screws. Also required but not included in this kits: Small crosshead screwdriver, 1 x 1.5V AAA battery. The width is 13cm. Age 8+ years. Part of the Green Science range. Distributed in New Zealand by Holdson.