An incredible First Tennis Ball. Inflatable and easy to use, perfect for beginner tennis programs for children. This ball is addictive and will make children love to play tennis. Success and Fun will be reached immediately from the start. Best to use that ball with children 2-3-4 or 5 years old.Invented and produced by Jean Fleurian (Davis Cup player) for Le Petit Tennis programs. Size 6 inches inflated. To be used with other companion items from Le Petit Tennis "The Extraordinary Voyages".