Bouncing a ball is an excellent way to improve hand-eye coordination. It can also be fun and challenging. Count how many times the children can bounce a basketball without it stopping? Now, how many times can they do it with a tennis ball? Try it left and right handed! or through your legs. This kit is excellent for group play or for the individual. The kit consists of 4 x Play Ball (M) - 18.5cm, 4 Play Ball (L) - 22.5cm, 12 x Tennis Balls, 12 x Crystal Swirl High Bounce Ball, 4 x Basketball (Size 6), 4 x Basketball (Size 3), PLUS BONUS 1 x Avaro Mesh Carry Bag