Le Petit Tennis - My First Tennis Ball (6" Inflatable Tennis Ball) for Ages 2-3-4-5-6 1 Inflatable ball for the best introduction to tennis for the very young children Award winning ball, used by the French Tennis Federation, Qatar Tennis Federation, Tennis Canada etc... Designed specially to allow very young children to play tennis and succeed. Slower than the RED balls it allows children to serve, rally and score from the start The official Ball used in the stories of the Le Petit Tennis Magical Land