This nippy little car has got to be in the running for the title of smallest coolest fuel cell car aroundkey benefits and featuresr the car comes flat packed so building it yourself is all part of the funr great opportunity to learn abouteco friendly energyand the way in which machines workr simply press out the pre cut plastic parts and follow the instructions provided to build your pocket sized environmentally sound set of wheelsr simply add salt water with the mini syringe providedr absolut