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Crank It Up
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In this engineering activity, learners explore simple machines and then build cardboard automata using cams.
Pop Bottle Whirligig
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Learn about friction and kinetic energy with this cool spinning toy.
Tinkering with Tops
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In this activity, learners explore the history, design and motion of spinning tops. Learners work in teams of "engineers" to design and build their own tops out of everyday items.