How does a fuel cell work and how can it be used to produce hydrogen? And how can hydrogen be used to power a car? With the fischertechnik fuel cell car H2 construction set, you can bring this technology of the future into your home and answer these and other important questions! Young inventors can produce hydrogen and then use it to power a vehicle and discover the world. They can also build other interesting models in combination with the Green Energy construction set (item number 2580671).