The Dino Friends Soft Balls are a set of 4 adorable roly-poly balls which include a Triceratops, a Dimetrodon, a Stegosaurus and a Tyrannosaurus The soft and multi-textured materials combined with crunchy fabric provide sensory-stimulating and tactile play The round shape and soft textures allow little hands to easily grasp and play They help promote motor skills and develop hand-eye coordination. The unique material is soft, hypoallergenic, and easy to clean Children love these fun and adorably-shaped sensory balls that help promote early development