Tennis Racket for Kids with 1 Tennis Backpack, 3 Tennis Balls for Kids and 2 Wristbands. This Tennis Kit Is Specifically Designed for Beginner Players to Improve the Playing Experience. COMES WITH FREE online video games that you can play on your DRIVEWAY HELPS DEVELOP PROPER STROKE MECHANICS Proper ball and racquet helps develop stroke mechanics and technique RED BALL is 75 percent slower and bounces at the right height for children 35 to 50 inches tall. BACKPACK DETAILS: H 15 x W5 x L 11. Racquet Compartment, Large Main Pocket, Front Accessory Pocket, Padded back straps) &lt;br&gt; CONTACT THE BALL MORE OFTEN Players will contact the ball twice as often when using the right size tennis racquet