Build your own Solar Racer and tap into the power of the sun! This easy-to-assemble kit comes with everything you need including: 1) High-powered (1v, 500 mill ampere) ultra lightweight encapsulated solar cell; 2) High amp/low voltage motor for maximum torque and speedy acceleration. Sleek transparent plastic body (made from recycled pop bottles) looks great as is, or add your own custom paint job. The Photon can travel 10 feet in three seconds on a smooth, flat surface, when exposed to full sun.8 1/2 x 3 3/4 x 2"H