Modle Show Earth/Moon/Sun Function Model Student Education
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,15mmï¼Œweight:36.5G. The smallest Plastic ball is send in ramdom color