Build your own robot with glowing eyes! This ZOOB BOT Building Set includes a total of 54 pieces to make 4 different robot designs (or create your own). No batteries needed – manual pull-back friction motor. Includes 1 light-up ZOOB piece, 4 wheels and instructions. ZOOB pieces are based on a natural and living system and features pieces that snap, click or pop together in different ways, making building easy and versatile. ZOOB building sets are unique in that the pieces move after they are put together, allowing for truly interactive creations. Collect ZOOB sets for more interactive pieces!