Kids love to construct and the tg rocking’ race car 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 race car with motorized gears. The mechanics of the race car 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.