From KidzLabs, build a Propeller Racer kit powered by the wind.
Learn about propeller propulsion with this fun futuristic racer as you transform wind into kinetic energy! The high RPM propeller engine makes for exciting racing with the aerodynamic streamlined design allowing super high top speeds. Straightforward to build, with a large rear wheel span for extra stability when the wind really pushes the speed up. Ideal for kids fascinated by science and speed - ready, steady, go like the wind!