Gears! Gears! Gears! Motorized Spin & Glow Building Set Hands-on construction set with spinning gears encourages an early interest in engineering and technology While children create amazing structures, they also build skills like problem solving, perseverance and critical thinking Offers a perfect opportunity to share quality time creating together! Every Gears! creation is a moving experiment! Theres no wrong way to build This set can be used alone or with other Gears! Gears! Gears! sets