Great family sized set, enough pieces to share and build together.Includes 250 pieces. Recommended for ages 6+. Comes with 6 instruction guides to make 36 creations, including " ZOOBasaurus" and ZOOBcycle" . Oversized storage tub with resealable lid. 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.