Gears! Gears! Gears! Lights & Action Building Set of 121

Provides the perfect next step for kids who have the Basic Building Sets. 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. Flashing lights require button-cell batteries, included; motor requires 3 AA batteries, not included. Ages 5+.