Muscle Driver Reaction Balls
 Made of high-density rubber, ball can be bounced off any hard surface to create random bounces to improve overall hand-eye coordination and depth perception in athletes. Yellow Small Reaction Ball Dimensions: 3" diameter. Weight .25lb. $8.95 |  Made of high-density rubber, ball can be bounced off any hard surface to create random bounces to improve overall hand-eye coordination and depth perception in athletes. Orange Large Reaction Ball Dimensions: 4" diameter. Weight .75lb. $9.95 |