Reaction Ball 10cm. Ultrafast speed reaction balls are designed to improve hand/eye coordination, speed agility and reaction.
Used by sports professionals such as cricketers, tennis, badminton, squash players plus many more.
Due to the design of the ball, when it bounces, you have no idea in what direction it is going to bounce.
So test you speed and agility against your friends.
Can be used by bouncing it of a wall or floor.