Gear Toy Motorized Building Set - Interlocking Educational Building Toy by Mogee - Over 45 Pieces - Batteries Included Motorized Building Set Encourages Children to Use Their Imagination to Create Moving Masterpieces Develops Fine Motor Skills, Hand-Eye Coordination, and Effective Reasoning Through the Power of Play Batteries Included! Your Child Will be Able to Begin Building Right Away With This Creative Rotating Gears Set Variety of Pieces in this Rotating Gears Set Allows for Endless Building Variations Complete Set Includes Over 45 Pieces: Everything You Need for Hours of Play