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In this activity, learners explore how engineers have developed big wheels or Ferris wheels.

$5 - $10 per group Ages 8 - 18 1 to 2 hours
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In this physics activity (page 3 of the PDF), learners will move a load using a lever of each of the 3 classes. They will explore the differences between these classes and which are more effective.

$1 - $5 per group Ages 14 - 18 10 to 30 minutes