Large Size and Rich Colors: Diving gem pool toys made of acrylic 4cm/1.57inch shiny gems, pirate treasure chest for kid can hold 10pcs large size diving gems with rich colors; and gems weight is enough to sink underwater, which is easily portable for children; sturdy, not easy to break; pool toys is a reliable choice as a bonus gift to encourage diving beginners. Creativity and Courage: Diving Gems can meet the needs of children of all ages, swimming pool toys encourage toddlers to try diving, older kids can play as mermaids or divers and go dive and get their treasure! or even figure out all kinds of diving games,jewerly dive gems can as a reward system for working together on their certain ideal behaviors. Attractive and sparkling: Pool gem toys are rich in color and large in size, which can quickly attract the attention of kids. swimming gem toys are bright and large enough to be noticed even in deep water, and in the summer, children and their partners can experience a variety of diving and swimming fun; gems with treasure chest box can also be used as a beach treasure hunt toy. Widely Uses: Diving gems with gemstone treasure box can be used not only as summer underwater swimming toy, but also for home decoration, desktop decoration, vase decoration, fish tank decoration, swimming pool party,dog swimming training, birthday party, etc. Repeat Use: Summer swimming gem diving toys set can be placed inside the treasure box or in the pool for a long time, without fading, with bright colors and large enough to be easily found. the gems are big enough to not be a choking hazard