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For demonstrating the phases of the moon and solar and lunar eclipses.
The large ball represents Earth and the small one the Moon. An overhead projector or the sun can be used as a light source.
Comprises 2 polystyrene balls mounted on rods.
Dimensions: Ø 10 cm and Ø 6 cm
https://int.frederiksen.eu/search?q=566115/
