Advantages:
Cordless auto-starting, all-metal manufacturing, sphere center metal integrated turning forming, the core and shell are all made of zinc alloy, weighing 400g, 1.6 times more than other gyro balls.
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
Package Content:
1 wrist ball
1 ball bag
1 wrist strap