Toy that gives children the freedom to play with water without seeing the past. Many accessories for fun, different water circuit combinations. The presence of a parent is required for initial assembly because there are joints to stick on the channel parts, then with a little perseverance a child of 6-7 can mount itself and learn with Adult technique lock ... Children from 2-3 years old play with ease. The cost of this toy can be crippling but we can start with a smaller model and expand its small-to-small circuit. I just got it for my grandchildren and I have not tested in its storage case. Just a word on the user manual that is a little short and not too detailed explanations. After a few infancy children are delighted, this is the principal.