Description

A beautiful construction of hand-driven gears mechanism with a Black and White Ball represents Moon. Globe mount in the centre represents Earth and the black and white ball revolves around the central earth comprising an elliptical plane the 8 positions and 8 round small discs mounted on a big colourful disc to represents its phases. A very useful apparatus to explain the full Moon to Dark and from Dark to Full Moon in 29.5 days in the universe.