RESBO Wrist Trainer Ball Exerciser Hand Spinner Gyroscopic Ball Metal Type with LED Light

Brand: RESBO 
Product Type: Wrist Trainer, hand exerciser, forearm strengthener
Color: Silver 
Material: Zinc Alloy, ABS, PC 
Inner Ball Material: Metal 
Start Type: Rope Pulling 
Product Weight: 9.6OZ  

Product Size: Diameter 2.85Inches(Max), Height about 2.37Inches 

How To Use
*1. To start, hold the wrist ball in your hand with the exposed gyroscope facing left, insert the included red string into the hole, wind it up, and pull straight down, fast enough to have the gyroscope turn the LED on. 
*2. Then turn your hand facing down, and slowly start to rotate. The gyroscope will start to “bite” and you will feel like it is scratching against the inside of the wrist ball. 
*3. To keep rotating your wrist and the gyroscope will spin faster and develop a higher pitch sound. Once you have it spinning fast enough, you can stop your hand and feel it oscillating right in your palm. 

Notice 
*1. Not suitable for children under 10 years old whose hand strength insufficient to use the product 
*2. Do hot drop it from high or hit it on hard objects, it may cause serious damage 
*3. Do not touch the inner ball while it in high-speed running 
*4. Do not add any oil or moothy liquid into it which may cause it inoperation 

Package Content 
1x Wrist Workout Ball 
2x Starting Rope 

Forearm Strengthener Ball – A very popular wrist ball to enhanced grip endurance, wrist arm and other best weapon, and can promote blood circulation, strengthen the wrist ligaments reduce injuries. It is a very interesting sensation and definitely makes your forearm sore and gets the blood going.
Grip Ball Good for Health – Efficiently rehabilitates wrist pain, humerus fracture, scaphoid fracture, radial head fracture, numbness in fingers, numb hands, fractured wrist, elbow tendonitis, broken bones, olecranon bursitis. Increases strength in fingers, wrists, hands, forearms, biceps, triceps, ligament and shoulders.
More Suitable for Sports Training, Wrist Workout – Highly beneficial grip strength trainer for golf, tennis, climbing, cycling, basketball, cricket, martial arts and with improved playing performance for pianists, drummers & guitarists.
Motor Skills – This certainly requires some fine motor skills in order to use. The dominant hand/arm was easily able to keep the gyro ball hand exerciser going, that it will help refine your fine motor skills in that non-dominant hand/arm.
Teaching Video – There are many teaching videos of wrist trainer hand exercise ball on Google or Youtube, if you have difficult to make your ball spinning, please search a teaching video on Youtube and practice as it tell you.