Jugs Bucket Small Balls Training Baseballs are designed specifically for JUGS Small-Ball Pitching Machine. Develop hand-eye coordination and a quick bat. Teach the hitter to track the ball from release point to impact zone. Increase the hitter's mental concentration by hitting a small ball. Help the hitter improve depth perception by keeping head still and eyes level. Teach the fundamentals of hitting while removing the fear factor. Comes with 48 small ball training baseballs.