Suitable for Sports Training:Highly beneficial grip strength trainer for golf, tennis, climbing, cycling, basketball, cricket, martial arts. When starting the Powerball, your hand follow it and slowly speed it up. The ball will begin to spin more rapidly. As the speed increase, the ball will also provide vibration, thus forcing your muscles to provide more stabilization.
Good for Healthy: Keep the wrist ball going, which will help increase strength in fingers, wrists, hands, forearms, biceps, triceps, ligament and shoulders. Efficiently rehabilitates wrist pain, humerus fracture, scaphoid fracture, radial head fracture, numbness in fingers, numb hands, fractured wrist, elbow tendonitis, broken bones, olecranon bursitis. This is a great workout to keep quick wrists.
Make Movement & Add Fun: Design with LED lights, Cool LED lights inside will light up while spinning, no battery needed, powered by rotating the wrist. The gyro will allow you to exercise and work-out. You can have fun while exercising, or exercise while you have fun. Such as challenging a friend, Challenge a co-worker, Or a family member. See who can make the Spinner Gyroscopic spin faster or glow brighter.
Easy to Start: The cords that come with it have a sheath over the ends that help it stay in the starting holes of the gyro's rotor. Held the product in your palm sideways. After pulling the cord, thus allowing the ball to spin, then your hand began moving your wrist in a circular motion and slowly speed it up. The LED lights up when spinning. The ball is plastic with a rubber grip on it, it's very easy to hold and you not worried that it will slip and go flying into a window.
Suitable for these people:Compact & easy to carry, it will help refine you're fine motor skills in that non-dominant hand/arm. Ideal for adventure sports enthusiasts, climbing enthusiasts, piano lovers, office people, the elderly, etc.
Specific: Dimension: 2.75"(diameter) * 2.16"(high) Weight: 0.62 pound Package includes: 1x Wrist Ball with LED 1x Starting Cord 1x User Manual