Horizon��_s Fuel Cell Car Science Kit lets students explore the ideas behind the full-sized fuel cell cars currently being introduced around the world. The car runs using distilled water. First, a reversible PEM fuel cell splits water into oxygen and hydrogen. Then that hydrogen is used to power the fuel cell car. Plus, the car drives itself! It��_s capable of avoiding obstacles on its own. Included are: Chassis with LED light & motor Reversible (PEM) fuel cell Hydrogen tank Oxygen tank Inner Gas containers 0.75 Watt solar cell 2 x 2mm Connecting leads Battery pack with connecting leads (requires 2 X AA batteries) Plastic plug pins for fuel cell Transparent silicon tubing Click the checkout tab to check this item out.