Demonstrates the overall shape of the solar system and the relative movements of the planets and the Earth’s moon. The hands-on model with teaching guide helps pupils understand the solar system including its shape, the sun as the source of its light, planetary orbits, the planets’ names and which planets may be seen on given days. The planets, can be rotated by hand around the Sun which lights up while the moon can be rotated around the Earth. The planets are relative in terms of their size as they appear in the solar system. Overall height: 100mm. Diameter of largest Orbit 38cm. Requires 2 x AA batteries (not included) to light the sun. Teachers notes and battery holder included.