Advantages:
1, torque ball for cordless automatic start, metal manufacturing, shell for zinc alloy, weighing 320g, heavier than other gyro ball. 2, torque ball with LED lights, the ball center rotation, automatic power generation luminous, the faster the speed of the color lights the brighter, the faster the speed of the color lights the brighter
Benefits:
Relieve stress, exercise joints and muscles of hands, wrists and forearms，valentines day and father day gifts for him,great birthday gifts for men
Applicable People:
10 years old and above, frequent users of wrist and hand, such as office workers, students, climbers, keyboard men, gamer, badminton exercisers, tennis trainer, bowlers, etc
Instructions:
First: Follow the direction of the arrow with the thumb to push the ball center until the accumulation of force is complete
Secondly: Release and turn to one hand to hold
Thirdly:Palm clockwise or counterclockwise rotation
Notice:
Be careful not to use your hand to make the ball center stop, we can wait for it to stop by itself or use clothes
Set Of 3
1 wrist ball
1 ball bag
1 wrist strap