Diving toy set for pool: you will receive 500 grams of diving jewels (approx. 560 units), all diving jewels are random in color and shape. They are made of sturdy plastic and are non-toxic and harmless to children. These diving toys are ideal for children to overcome their fear of water and enjoy swimming and diving. They can also be used as decoration in vases, aquariums, interiors, windows, and walls. This diving jewel set is a wonderful gift for diving enthusiasts children.