All kids love things that fly and the Techno Gears Quirky Copter is the perfect way to encourage them to build a machine with spinning gears and rotors that move and work! With 80+ colorful construction pieces, power motor and more, this kit includes everything your enthusiast needs to build their own Quirky Copter. The mechanics of this set includes gears and will introduce and experience the science of gear ratio. These products align and support STEM (Science, Technology, Engineering and Math standards). Ages 6+ years.