The Porcupine Massage Ball is great for massage, finger exercise, grip improvement and various games of skill. The Porcupine Massage Ball helps stimulate sensory perception and improves flexibility and strength in the fingers. Hundreds of soft spiky rounded “porcupine quills” cover the Porcupine Massage Ball surface. When used in combination with other types of balls, the Porcupine Massage Ball can be useful for tactile discrimination activities including form, size and weight. The Porcupine Massage Ballis designed to stimulate touch, build focus on defence mechanisms, build concentration and tranquilise emotions. They can also be used for finger exercise, grip enhancement and catching games. Ease away tension and release muscles throughout the body using these sensory balls.