4 Dozen Small Balls and a bucket included! This 5 in. Polyurethane foam ball is designed to : Develop hand eye- coordination and a quick bat, Teach the hitter to tack the ball from release zone to Impact zone. It will increase the hitters mental concentration by hitting a small ball and help the hitter improve depth preception by keeping the head still and eyes level. Teaches the fundementals of hitting while removing the fear factor.