... sports like golf, tennis, squash, cricket, badminton, baseball, bowling, basket-ball,, motocross, mountain climbing.2. Increases strength ... time, Advantage: 1) It is a small ball, which can make people achieve sporting effects in ... has been corrected by computer, so the ball has very excellent stability.2) There is ... on the surface of the ball. That can prevent the ball from sliding down to the ground ...