1. PVC material is safe and non-toxic, so you can use it with confidence 2. One-piece installation-free, solid base 3. USB port for charging, teaching aids to facilitate learning 4. Demonstrate the rotation of the earth and cultivate students’ abilities in practice, observation, expression and induction. 5. It is easy to clean and easy to mark knowledge points. 6. Three kinds of lights, touch to adjust the color and brightness of the light, you can choose freely according to the environment or living habits 7. Provinces, provincial boundaries, and provincial capital cities are clearly marked, and the country’s outline and national boundaries are clearly demarcated. 8. Size: diameter 25cm
