Easy to use fill air in the outer ring,fill water or air in the middle part,put it on the floor and let the fun begins. Floating shapes when theres water in the middle part the shapes will floate,baby will try to catch and pat shapes. Vivid patterns baby will be attracted by the various and colorful patterns of fish,provides hours of healthy fun. Stimulates baby development an essential tool for developing solid head, neck and shoulder muscles as well as honing hand-eye coordination, fine motor and social skills. It is a sensory delight that enhances brain development. Easy to carry a foldable toy to carry with,portable for indoor outdoor and travel,anywhere you go can put it with your bag. Made of duty pvc,non-toxic,non-polluting,safe enough for kids. Durable enough for reusing,not leak air and water.