This set includes 156 interchangeable pieces, such as coral flowers, crabs, clownfish, whales, sea lions, turtles, starfish, lobsters, and more! Dive into an Underwater Adventure: Let your little one's imagination take them on a journey to the depths of the ocean with our upgraded DIY Marine Coral Stacking Toys. Safe and Eco-Friendly: Our Garden Building Toys are made from high-quality, eco-friendly materials that are BPA-free, non-toxic, and odorless.