Softball agility trainerr key benefits and featuresr perfect for improvement of hand eye coordination and reaction time r volley the reaction ball between two or rebound it against a wall r upon landing the ball will bounce in an unpredictable manner r improves your speed and coordinationr six sided rubber design causes the ball to leap and pop randomlyr for use on all hard surfaces and wallsr ages 6 and upr r includedr reaction ballr r backed by our 30 day money back guarantee