This Babolat B'Fly Junior Tennis Racquet bundled w 3 Red Foam Tennis Balls starter kit includes (1) Babolat B'Fly Junior Tennis Racquet in your choice of frame length and (3) Red Foam Tennis Balls.The B’Fly Junior Tennis Racquets were created to help your kid have fun faster on court, with a cool-looking design they will love. Learning the fundamentals is important too, so Babolat integrated educational tools directly onto the racquet to help your kids master the basics of tennis. It’s no surprise the B-Fly is recommended by 6000 coaches around the world.Racquet Features: Teaching grip plus visual aids on the frame to teach proper hand placementMade out of aluminumComes pre-strungChoose the Right Size Frame for Your Junior Player: 19” racquet recommended for ages up to 6 or between 95 and 110 cm tall.21” racquet recommended for ages 5-6 or between 105 and 120 cm tall.23” racquet recommended for ages 7-8 or between 110 and 125 cm tall.25” racquet recommended for ages 9-10 or between 135 and 145 cm tall.Junior Starter Red Foam Tennis Ball Features: Oversized, soft foam makes learning easier.For ages 10 and under.Designed for 36’ courts.The Babolat B'Fly Junior Tennis Racquets are lightweight and feature large head sizes, making tennis easier and more fun to learn.