Orbital system: Sun - Earth - Moon

This very demonstrative device allows students to better understand many phenomena related to the Sun - Earth - Moon system, such as:
- night and day,
- the apparent movement of the Sun in the sky,
- the seasons,
- the use of sundials and shadow sticks,
- moon phases,
- lunar and solar eclipses.

In order to better visualize certain phenomena, the model has 2 interchangeable sizes for the Earth and the Moon, a small and a large one.
An ingenious system allows all accessories to be stored in the model.

The kit consists of:
- 1 mechanical orbital system
- Sun (reflector + 6V bulb provided)
- Earth (1 globe: 12 cm and 1 blue sphere (small Earth))
- Moon (1 small one, fixed to the system and one removable white sphere)
- 1 model of Earth observer
- 1 moon phase disk
- 1 eclipse shadow screen
- elements for sundial
- 1 disk of months and seasons
- 1 axis extension stick
- 1 6V DC power adapter, 900 mA
- 1 manual