Thames & Kosmos Orbiting Solar System STEM Kit | Build a Rotating Solar System Model | Planets Revolve Using a Windup Motor | Explore Gear Ratios | Science Fairs | Difficulty Level: Intermediate
224455
Regular price $34.99Build 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
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