Wrist Power Ball Self Starting Hand Arm Muscle Force Trainer Wrist Stress Reduction Fitness Gyro Training Ball Gyroscope Toy Ball

Features:
1.Power Wrists Ball Make Arm Great Again. Strengthen fingers, wrists, hands, forearms, shoulders, and bicep, etc. It also can be beneficial in promoting co-ordination and blood circulation.
2. The dominant hand/arm was easily able to keep the gyro ball going, that it will help refine you're fine motor skills in that non-dominant hand/arm.
3. Small, compact and transportable, you can take anywhere. Simple to start with a pull-string.And we have a flashing LED style,all you need do is to increase the speed by making a rotational wrist movement and to keep in sync with the spinning of the ball.
4.The maximum possible rotation speed exceeds 12,000 rpm, which can generate resistance of up to 32kg. It is the ultimate product of wrist exercise equipment-slow rotation for gentle rehabilitation, or fast rotation for forearm exercises for no more than 60 seconds.
5.As you spin Powerball it generates resistance - the faster you spin, the stronger the resistance will be. Harness the immense power of Powerball at fast speeds to build solid upper arm muscles, a stronger wrist and the ultimate grip.

Specification:
Item Type:Power Wrist Ball
Material:Shell PC, Ball Core Alloy
Color:Red,Blue,Black
Size:Approx.70*70*55mm

Package Included:
1Pc X Power Wrist Ball