Kids love to construct and the Techno gears Dizzy droid kit is the perfect way to encourage them to build. With its 80+ colorful construction pieces, power motor and more, this kit includes everything your child needs to build his own droid with motorized gears. The mechanics of the droid include gears and will introduce and experience the science of gear ratio. This product Aligns with the science, technology, engineering and math standards. Requires two “AA” batteries (not included). ages 6+ years.