The SKLZ Reaction Ball will help teach you the movement fundamentals to give you a winning edge on the field, court or rink. Use it to improve your footwork in tennis, change directions rapidly in basketball, sharpen hand-eye coordination for field hockey or use it as a fielding aid in baseball - the SKLZ Reaction Ball is a simple tool you can apply to almost any sport or activity. It works because the ball is specially designed to make an unpredictable bounce, requiring you to rely on your peripheral vision and body positioning to catch it. Toss it between 2 athletes or bounce it against the wall when you don’t have a partner, the SKLZ Reaction Ball makes training fun and effective.