Specifications:

Gears! Gears! Gears! Lights & Action Building Set...Bright lights and movement bring construction creativity to life! Take construction creativity to a whole new level with bright lights and movement; Provides the perfect next step for kids who have the Basic Building Sets (LER 9162 & 9164); Works with all other Gears! Gears! Gears! sets for maximum building possibilities; Features 121 durable plastic gears that snap together and pull apart easily with no wrong way to build; Includes power motor flashing lights glow-in-the-dark stickers and more; All pieces store in a sturdy tub included; Flashing lights require button-cell batteries included; motor requires 3 AA batteries not included; Ages 5-10.