Video guide
How a Mechanical Orrery Works: Gears, Orbits and a Model Solar System
Follow the movement through a mechanical solar-system model, and learn what an orrery can help you observe about motion and engineering.
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Video guide
How It Works
Electric vs Combustion Engine Models: What Can Each Demonstrate?
A moving engine model can be powered in different ways. Understand the source of the motion before choosing what you want to build and observe.
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How It Works
How Does a V8 Engine Work? Follow the Moving Parts
Follow pistons, connecting rods, the crankshaft and valve timing—and understand what an electric model can demonstrate.
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V8 engine
500+ components · Electric drive
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Mini turbofan
170+ components · 1:20 scale
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Dual-spool turbofan
300+ components · 1:12 scale
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Mechanical solar system
600+ components · Motorized model
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V8 engine mug
400 mL · Finished drinkware
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