strongFEATURESstrong
1 Make Arm Great Again Strengthen fingers wrists hands forearms shoulders and bicep etc It also can be beneficial in promoting coordination and blood circulation
2 This certainly requires some fine motor skills in order to use it The dominant handarm was easily able to keep the gyro ball going that it will help refine youre fine motor skills in that nondominant handarm
3 Small compact and transportable you can take anywhere Simple to start with a pullstringAnd we have a flashing LED styleall 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 unit did not have any weird vibration to it Also having the silicone grip section is very nice as it helps with the gyroball not coming loose from your hand You can attach it to a wrist strap if you are really concerned about the gyroball flying away