We love orrerys, they infuse us with a sense of excitement as we look at the model of our little planet sat in amongst all those other mysterious planets.The orrery has a wonderful model of the Sun, which lights up, and demonstrates the planets. The Earth has a moon. The planets can be moved around the Sun by hand, and the Moon around the Earth. Ideal for demonstrating the shape and motions of the solar system. Requires Batteries which are not supplied.