About Product :- High quality, Battery operated, 3D building Blocks with motorized spinning gears sets, total 81 pcs. Hundreds of hours for Fun and learning with this super amazing kit. The perfect gift for your genius. Endless innovations, creative thinking, Infinite imaginations, A lot of Building combinations. Interlocking building blocks and gear wheels of construction puzzle play set includes 81 various pieces. A motorized spinning gears for more fun and automation.