With this unique kit, you can build your own experimental reversible fuel cell car to learn more about this energy source. With more than 30 experiments and demonstrations, the kit helps users learn how a reversible fuel cell works to perform electrolysis as well as to create energy. The electricity required to activate electrolysis is created with a large solar cell included with the kit. During electrolysis, water is separated into hydrogen and oxygen and the resulting energy is stored as a gas. When needed, the gas is fed into the fuel cell, which then serves as the power source. The kit also includes a digital MultiMate that measures currents and voltage, allowing you to learn exactly what a fuel cell is and how it functions. The experiments and demonstrations explain the physics upon which this future technology is based.