Windbags

SKU: e0994b1b1738 Category:

Demonstrate the Bernoulli Effect.
Who’s the windbag in your group? Contrary to classroom opinion, one breath (and a scientific secret) is all it takes to inflate our 8-foot plastic bags. Learn the properties of air molecules and how they move. Includes 4 light, strong plastic bags and activity guide, colors may vary.


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