Specifications: two rackets, two balls. Material: PP Plastic The crowd: middle school students, middle-aged, the elderly etc.

Whirlwind changeful ball is a new kind of sport toys, similar to the play

badminton, but have their own characteristics, its characteristic is that the ball

in flight will rotate change the path. Not only entertaining and is more athletic

effect, integrating recreation and fitness at an organic whole.

Whirlwind changeful ball of play:

Whirlwind changeful ball could single play, double play, also many teams play.

1. Single play: challenges casts accurate, high and fly magic.

2. Double play: see who threw a prospective, good catch.

3. 3-6 team play, each in 8 * 10m range of venue for the stadium, between

5-8m distance, mutual cast on the other side, which side good catch and throw

the prospective for victory.