Self-balancing gyroscope anti-gravity decompression educational toy finger gyroscope  When you feel anxious, nervous and stressed, you can try this gyro toy. Long-term rotation without shaking, reasonable counterweight using the balance principle, super stable rotation without shaking, superb craftsmanship, carved pattern technology, polishing and polishing, every point is just right, exquisite, tricks, endless fun, silent play, vacuum plating, shining , One-piece casting specification: 10.4 * 7.5 * 7.5cm Gross Weight: 120g color: as the picture show Note: 1.Please allow 0-1cm errors due to manual measurement. 2.Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same. 3.If you have any questions about the product, please contact us, we will patiently answer for you!    Specifications: Cool gameplay, top shape Various colors for your choice Decompression puzzle, a lot of funPackage Included: 1 * rotating top (gyro * 1, base * 1, drawstring * 1, 1 * oil bottle)