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Learners build simple catapults and use them to launch cotton balls.
$1 - $5 per group
Ages 11 - 18
45 to 60 minutes
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Learners construct and launch paper helicopters.
1 cent - $1 per group
Ages 11 - 18
45 to 60 minutes
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In this design challenge activity, learners modify a cup so it can carry a marble down a zip line and also drop it onto a target.
$1 - $5 per student
Ages 8 - 18
45 to 60 minutes