Dazzling motion takes construction creativity to a higher level. This set includes enough lights to brighten any child’s play site. Pieces snap together easily and pull apart so kids can build anything they can imagine–there’s no wrong way to build! Fully compatible with all other Gears! Gears! Gears!® Sets. Features 121 durable plastic pieces, storage tub, and button-cell batteries for flashing lights are included. Motor requires 3 AA batteries, not included.