Random Bounce: The random bounce design effectively improves reaction ability and hand-eye coordination, and shortens reaction time during training. Training for Various Sports: The multifunctional reaction training ball can be used for training in a variety of sports, such as baseball, softball, basketball, football, soccer, volleyball, etc. Individual or Partner Training: Train by throwing the reaction ball against a wall or with a partner to create drills with extreme and unexpected flight trajectories. High Density, High Flexibility, High Durability: The reaction ball is made of high-density rubber with high elasticity and durability. Fun: It's more fun than any other ball you've played with before. The uncertain bounce direction requires a high degree of concentration to catch it.