Harness the power of the sun! The Solar Car Kit Model Building Toy by Elenco gives you everything you need to build your own solar-powered car. Design an aerodynamic racer or tractor and start building away this alternative energy vehicle! This tech activity toy comes with a sports car shell, a 4-wheel chassis, and a powerful 1.4V, 350mA solar cell. Educational Toys Planet offers this construction kit as a great way to teach your child about mechanics, alternative energy, problem solving, and creativity. Once your car is complete, feel free to paint any design on the transparent plastic car body. Elenco's Solar Car Kit Model Building Toy features a multi-speed transmission and a two-way battery source that lets you power your car by solar energy or battery, so even on a cloudy day your car is still ready for a great race! The solar car requires 1 AA battery.