Orbiting Solar System
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