1. Demonstration model of the movement of the earth, moon and sun, an intuitive teaching model that can vividly depict the relative movement of the earth, moon and sun
2. Children can make the earth, moon and sun in the model run according to the real operation law
3. Material: Environmentally friendly wood, plastic and metal fittings
4. Suitable age: 6 years old and above
5. Dimensions: 13 x 13 x 11 cm
6. Power supply: 2 AA batteries (battery not included)