Physics Simple Machines Establish a foundation in physics by building models of all six simple machines: levers, pulleys, inclined planes, screws, wedges, and wheels and axles. Assemble and use a spring scale to measure how the machines change the direction and magnitude of forces, making work easier to do.
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WARNING: All products sold are labeled by the manufacturer if the product poses a choking hazard for a certain age group of children. Toys designated for ages 3 years and older may contain small parts and pose a choking hazard. They are not suitable for children under 3 years.
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