The Ocean Ball Bobble Ball Pool Macaron is a set of 100 stress balls made of durable PE plastic. These balls are suitable for ages 6 and up, providing endless hours of playtime. Each ball in this set is crush-proof and leak-proof, even when stepped on by an adult. With a diameter of 2.15 inches, these balls are the perfect size for little hands to grip. The bright and attractive colors, including a light gray option, add to the fun and excitement. These ocean balls are great for filling any ball pit, tent, theater, kiddie pool, playpen, or bounce house. They create a colorful and stimulating environment for your baby to explore. Not only do they provide a happy childhood experience, but they also enhance collective consciousness, promote brain development, strengthen motor skills, and improve color perception. Let your baby dive into the world of colorful ocean balls with this set of 100pcs. It's a fantastic addition to any play area and guarantees hours of fun and learning. Key Features: Set of 100 stress balls made of durable PE plastic Crush-proof and leak-proof design 2.15-inch diameter with bright and attractive colors Suitable for filling ball pits, tents, theaters, kiddie pools, playpens, and bounce houses Promotes brain development and strengthens motor skills Enhances color perception and collective consciousness Suitable for ages 6 and up Provides hours of fun and learning