Build this futuristic machine and watch it jet off by transforming wind into kinetic energy!Learn about propeller propulsion when building and playing with the Wind Powered Racer. The high RPM propeller engine makes for exciting racing with its streamlined design allowing super high top speeds. It has a large rear wheel span for extra stability at high speed.For Ages 10yrs+This fun and educational product promotes STEM learning, teaching children about building electrical circuits along with how propeller propulsion works. Good fun play whilst learning scientific principles!