Orbiting Solar System by Thames & Kosmos #550037
- 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
