The Volkl Revolution Junior 19 Inch Tennis Racquet is a great option for beginners hitting the court for the first time or progressing juniors moving up in racquet size. The Volkl Revolution Junior 19 Inch Tennis Racquet provides young juniors great comfort, as the specs are made just for them! Allow young ones to fall in love with the game with the Volkl Revolution 19 Inch Tennis Racquet! The 19 inch tennis racquet is best suited for ages 3 to 4 years of age and 3ft to 3ft 3in in height.