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    Community Science Workshop Network
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    In this activity, learners build a figure that moves and "comes to life" when they pull its string. This engineering activity introduces learners to simple machines, specifically levers,...

    $1 - $5 per student Ages 6 - 14 1 to 2 hours
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    Community Science Workshop Network
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    In this activity, learners build a mini crank machine to make a bird "fly." This engineering activity introduces learners to automata, rotational motion, cranks and cams.

    $1 - $5 per student Ages 6 - 11 1 to 2 hours

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