Orbiting Solar System

Set the planets in motion with a flick of your wrist! Build a mechanicalmodel of the solar system including the sun and eight planets (also known asan orrery), wind it up, and watch the planets revolve around the sun. Assemblethis complex machine using snap-together plastic parts to learn how the gearsand wind-up mechanism work to spin the model. Detail each planet withcolourful, realistic-looking printed planet graphics. Discover how a specialtype of gear called a planetary gear is used to simulate the mesmerisingmotion of the solar system. Learn about the order of the planets, theirrelative sizes, their rates of revolution around the sun, their appearance,and other planetary facts. Bonus: There’s a built-in expansion slot in casethe mysterious Planet Nine is discovered! This kit includes full-colourstep-by-step illustrated assembly instructions.