A bell in the center makes a jingle sound when the ball changes direction! Our ultra-durable "no-sting" balls are perfect for an array of activities including adapted games. 6" diameter. 6-color set. Our Gator Skin balls are the highest-quality coated foam balls on the market. The tactile, non-sting coating makes them easy to grip, and the coating is so durable, they're virtually tear-proof! No more red marks from the stinging hit of a vinyl- coated or rubber ball, so everyone can play at ease and gain confidence. That means more fun during more activities. Our premium Gator Skin balls are simply your BEST choice.