GOMA roller ball
- Handy exercisers
- Newly designed wand for easy start
- Newly designed top cover to prevent injury when rotating at high speed
- No battery requires
- Self-contained mechanism dynamicaly balance gyro ball
- Increase your wrist strength while having fun
- The sped will reach 8,000 r.p.m. if you are skillful
1. Turn and adjust the top cover to let the insert hole to fix with the gear line of the inner ball.
2. Insert the wand (plastic puller) into the hole of the top cover. Let all the gear of the wand go through.
3. Pull the wand speedily with strength with your finger to the upper direction.
4. Hold the bottom of the ball with you hand. Keep your wrist at the same position. Do circulating movement downward. Just turn and adjust the speed with your finer and upper parts of the wrist.