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    In this activity, learners explore the concept of how brakes can stop or slow mechanical motion. Learners examine the operation of a bicycle brake and use low cost materials to devise a simple...

    $5 - $10 per group Ages 8 - 11 45 to 60 minutes
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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

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