Orbiting Solar System

$ 29.99 USD
Type: Science
  • 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