The B'Fly-17, which is lighter, easier to handle and more forgiving. Your future champion will love using this racquet with a fun, colourful design! To make learning to play even easier and help kids master tennis basics, we've added teaching tools to the racquet. It's no coincidence that the Ballfighter is recommended by 6000 coaches worldwide. The Ballfighter-17 is designed for players who are under 95 cm tall.