Description Features: Reaction Ball fielding aid is perfect for improvement of hand-eye coordination and reaction time. Volley the Reaction Ball between two athletes, or rebound it against a wall. Upon landing, the ball will bounce in an unpredictable manner. Repeating these steps will improve your speed and coordination for baseball. Develops quick reflexes for players at any fielding position Six-knob design with rubber construction creates unpredictable bounces The fun way to improve your reflexes and agility Use solo, against a wall or in a team setting Great training tool for all sports Specifications: Diameter: approx. 6cm Color:Green/Red/Yellow/Blue Speed Training Difficulty Dree:1(middle),2(high) Package includes: 1 x Reaction Ball