The amazing Wonderball is a pain-relieving and fitness product from Denmark. It has relieved the pain or even cured many sufferers from back pain, muscle injury, strain, RSI and much more. This is natural therapy at its purest form, utilising a variety of exercise techniques to rejuvenate your muscles. It is completely safe and non-alergesic. Wonderball has brought relief to thousands of people worldwide with its simplicity and almost 'magical' results. Read what others have been saying about the amazing Wonderball.