BAZHOU Easy to use. Simply bounce the reaction ball on any hard wall, floor or surface, and the ball will bounce in random directions. Unique six-sided design, the ball will bounce in random directions so that your agility and reaction speed can be trained effectively. It's a fun way to improve your reflexes and agility, reaction speed, enhance hand-eye coordination, and can be used as a rehabilitation excercising tool. Ideal for baseball, softball and football, basketball, tennis, badminton and other agility sports. Designed to increase speed and reaction time, agility and explosive power. Perfect training tool for professional athletes or players. Delivery Quantity: 5pcs Package Contents: Only the above package contents, excluding other products. Size: 5.5*5.5*7cm (Reminder: The size is measured manually, please allow 1-2 cm measurement error) Color: Multicolor (Due to different monitors and lighting effects, the actual color of the item may be slightly different from the color shown on the picture.)