1. The material is preferred, the hand feel is light, easy to use, and the colors are clear
2. The structure is stable, and the violent rotation will not fall apart
3. Comes with a basic tutorial, clear step-by-step diagrams, and easy access to the whole guide
4. The surface is frosted to reduce scratches and have a longer life
5. ABS plastic, environmentally friendly and durable
6. Humanized size, lighter weight, easy to play
7. High fault tolerance, easy to flip
8. Center open cover design, built-in elastic adjustment system, adjust the elasticity freely
9. Applicable age: 6 years old and above
10. Size: 2nd order: 4.9x4.9x4.9cm, 3rd order: 5.5x5.5x5.5cm, 4th order: 6.2x6.2x6.2cm, 5th order: 6.3x6.3x6.3cm