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In this activity, learners build a miniature wind tunnel to measure force. Learners construct the model out of Lexan plastic, a fan, and a precise digital scale.

Over $20 per group Ages 11 - adult 2 to 4 hours
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This activity (on page 3 of the PDF under GPS: Sailboat Design Activity) is a full inquiry investigation into design optimization.

$5 - $10 per group Ages 8 - 14 2 to 4 hours