The Fuel Cell Car & Experiment Kit has been a hot item since its introduction six years ago. It has captivated tens of thousands of children and adults alike who have played and learned with it. Now another version of the fuel cell car kit the Fuel Cell X7 is available. This kit still has our awardwinning model car with its unique reversible fuel cell not found in other fuel cell car models.The Fuel Cell X7 edition is designed to be accessible to more users both in terms of content and price.