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Simple Machines & Gears
Nine hands-on exhibits demonstrate gears and the six kinds of simple machines.
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Simple Machines Tripod
Identify different examples of simple machines.
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3rd Class Lever
Learn how a part of the human body is a 3rd class lever.
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Poppke's Pulleys
Experience how single, double and triple pulleys help people lift heavy weights with ease.
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Gears
Build your own gear trains while learning about gear ratios.
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