Brain Box - Car ExperimentChildren are curious about the world around them. Let your child make sense of things, figure out how things work, and gain competence and understanding of the world around them as they play and learn with this car experiment where they can make any car of their own. Keep your children engaged in play activities as the BrainBox Car set can create a propeller driven car, a gear driven car, a flying fan, or an Electric fan. This car set includes an easy