This Inflatable Dolphin Shape Hit Me 3-D Toy is highly durable. This animal bop bag set has a sand-weighted base that keeps all the bop bags in place when they are hit over and over again. Your toddlers will love to hit the bop bags as they bounce back and do not fall flat. Child-Friendly and Action-Oriented Play: Bring home the PVC bop bag set and let your little ones enjoy active playtime with friends or all alone. Playing with this 3D bop bag set will help in developing hand-eye coordination in young ones. Suitable for kids aged 3 years and above, these colorful bop bags are lightweight; thus, they can be easily carried by kids. Furthermore, these bop bags do not require any difficult assembling procedure. Just fill in air through the tight-fitting valve to inflate these BOP bags, and they are ready to be hit.