It took 80 people 1.6 million yuan to raise funds, and it took 1.5 years to make it the "best in the world" of nearly 5 kilograms. Gyro is a kind of folk sports activity in China, which integrates entertainment and fitness. It can exercise human coordination and wrist strength, and cultivate keen observation. Covering a small area, you can exercise anytime and anywhere, suitable for all ages.