Orbiting Solar System

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Build a colorful, mechanical, rotating model of our solar system! The model uses a windup motor to set the planets in motion--no batteries required. Explore fundamental gear mechanics and discover a special type of gear called a planetary gear.
  • Great for science fair projects, you'll learn about the planets' celestial orbits and tons of cool planetary facts.
  • Includes a built-in expansion slot should the mysterious Planet Nine be discovered!
  • Assembly time: 1-2 hours
  • Difficulty Level: Intermediate
  • Dimensions: 10 x 2.5 x 11 inches
  • Ages: 6-14