NSD Powerball Stress Ball
The Powerball Stress Ball has been manufactured to exactly represent the true Powerball.
Aside from its superb looks however, the Powerball Stress Ball is ideal for you for rehabilitative applications when squeezed in your hand and manipulated by the fingers, to either help relieve muscle tension or to exercise the muscles of the hand.
The Stress Ball is commonly used in the treatment of repetitive stress injuries such as carpal tunnel syndrome or equally on your desk for those stressful days!
Available in Amber only.