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Set the planets in motion with a flick of your wrist! Build a mechanical model of the solar system including the sun and eight planets, wind it up, and watch the planets revolve around the sun. Assemble this complex machine using snap-together plastic parts to learn how the gears and wind-up mechanism work to spin the model. Detail each planet with colorful, realistic-looking printed planet graphics. Learn about the order of the planets, their relative sizes, their rates of revolution around the sun, their appearance, and other planetary facts. This kit includes full-color step-by-step illustrated assembly instructions.

Ages 6 and up.