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    Twin Cities Public Television
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    In this engineering activity, learners design and build a mechanical arm to lift a small item. Learners must follow certain design constraints as they build an arm that can lift a paper cup from...

    $5 - $10 per group Ages 8 - 14 45 to 60 minutes
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    IEEE
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    In this activity, learners explore the engineering and principles behind working elevators. Teams explore the history of elevators, elevator design, and develop their own working elevator using...

    $5 - $10 per group Ages 11 - 18 2 to 4 hours