Simple machines
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Simple Machines Gear Train
Learning Advantage®
$40.99This device illustrates the workings of a system of gears. When you turn one gear, the meshed teeth cause the other gears to rotate as well. The second gear turns in the opposite direction as the first, and the third gear turns in the same direction as...$40.99 -
STEM Simple Machines Activity Set
Learning Resources
$41.88Keep it simple with real STEM learning! Discover amazing engineering wonders through scientific exploration with colorful, engaging tools and hands-on activities and experiments. Introduce and explore all 6 simple machines as you make amazing...$41.88