Chinese health (massage) balls were designed to help relieve stress while building finger dexterity, wrist and forearm strength. Known also as Chinese therapy balls or harmony balls, these relaxation tools are very portable, fun and easy to use. These balls are hollow inside and when manipulated, they produce a pleasant chiming sound.
Size: Each ball is 50mm in diameter
Material: Steel in silk lined box
Please note that the boxes come in a range of colours other than that pictured.