Zoob Glow Dinos 250 is a giant set of Jurassic Fun! Everything you need to create your own stone-age pet! Includes 250 special ZOOB pieces, glow-in-the-dark parts, and instructions to build a ZOOBasaurus, a Z-Rex and more. For ages 6-12 years. The zoob pieces are designed around the ball and socket joint which enable children to build creative exciting models that can be manipulated and moved in ways that we havenA't seen in any other construction toy. Five different Zoob pieces fit together in 20 different ways. In a Zoob building day in our shop we had children as young as three and as old as thirteen creating unique models. Both boys and girls were eager to join in. The age recommendation on the product is based on the complexity of the models that can be created. It is not safe for children under the age of 3. ZOOB is an award-winning building set. Although instructions and suggestions for models to build are provided, the best part of playing with ZOOB is exploring, inventing, and discovering how you can build and deciding what you want to create!