- This is a DIY kit, you need to assembling it. The photot is just for reference.
- Astronomical teaching and astronomical popularization instruments, also known as the monthly operation instrument.
- It is used to demonstrate the relationship between the three spheres and the resulting diurnal phenomena, the lunar eclipses, solar eclipses and lunar eclipses, the seasons of the earth and so on.
- Mode of rotation: Manual
- total size:120*200mm, ball size:50mm,40mm,15mm,weight:36.5G. The smallest Plastic ball is send in ramdom color
This is a DIY kit, you need to assembling it. The photot is just for reference.