Features:
?Brand new & high quality
?New designed sports apparatus
?Exercises arm， wrist and removes fatigue
?Promotes blood circulation
?Based on mechanical principal
?Rotating speed can reach 8000 rev/min
?Built-in LED flashlight (batteries built-in)
?LED automatically lights up while spinning
?Anti-slip silicone wrapped grip
?For people 6 years and older
?Color: Yellow
?Note: Color of the string might be sent at random

Note:
?Do not touch rotor when it is rotating in high speed
?Do not put objects into the ball
?Please read instruction before use

Package include:
?1 X Wrist Arm Muscle Exercise & Strengthen Ball