The softness is moderate. According to the seasonal temperature difference, the hardness of the ball produced may vary slightly, which is not a quality basis.

Purpose:

1: Racket sports balance training (such as badminton and table tennis), yoga skills and physical fitness training

2: football massage, increase foot touch

3: improve children's color discrimination ability, cultivate children's practical ability and sports interest, and enlighten children's color matching display

4: Induction and sensory training for autistic children

5: It can be used as a marker for roller skating and other outdoor sports.

6: press on the muscles of the body (back waist, etc.) to massage and relieve muscle soreness