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A design challenge that takes paper airplanes into an entirely different direction: a magnus glider uses cups and and rubber bands to create a glider that uses the same forces that a curveball (from b

1 cent - $1 per student Ages 4 - adult 10 to 30 minutes
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Experiment with friction and make bearings for a whirligig! This activity is a nice introduction to friction and bearings and demonstrates why bearings are useful for spinning.

1 cent - $1 per student Ages 6 - 11 10 to 30 minutes