Kids love to construct and the Techno Gears Kit - Aero Trax Plane is the perfect way to encourage them to build. With its 80 colorful construction pieces, power motor and more, this kit includes everything your little pilot needs to build an airplane that has a propeller that moves and works. The mechanics of the plane include gears and will introduce and experience the science of gear ratio. This product aligns with the Science, Technology, Engineering and Math standards. Ages 6+ years.