The principle of gyroscope and celestial mechanics, powerful force generated in the rotation by the centrifugal rate and the law of inertia in the main motion arm. The second generation of automatic start section by the spring pulling out of the center of rotation, the traditional start rope to start, suitable for novice and rely on start rope game player.
Characteristic: 1. Computer calibration ball heart balance, high stability and low noise 2. Special durable plastic materials 3. Steel shaft is not easy to break 4. Ball shell adopts advanced silicone rubber slip ring, exquisite and beautiful 5. Built-in spring to start using the spring center rotation inertia