With a quirky six sided design, Reaction Balls are crafted from high-bounce rubber. They are designed to dart randomly in all directions, increasing reaction times in players. Great for athletes of all sports, Reaction Balls will develop agility and speed, as well an enhancing hand-eye coordination. They can be used against all hard surfaces and will bounce in random directions off all surfaces it hits. Fantastic for playing with in teams, they can also be used independently against a hard wall.