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    WGBH
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    In this hands-on engineering project, kids use two simple machines, levers and inclined planes, to construct their own pinball machines. Using the engineering design process and easy-to-find...

    $1 - $5 per student Ages 6 - 11 30 to 45 minutes
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    WGBH
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    In this activity, learners will build a roller coaster for a marble to run on using everyday household materials such as paper towel or toilet paper rolls, cups, boxes, books, buckets, chairs, etc....

    $1 - $5 per group Ages 6 - 11 30 to 45 minutes

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