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Windbag - One Breath Bernoulli Bag Steve Spangler - 1 Red bag
$ 3.16
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Description
One Breath Bernoulli WindbagsAir Pressure Experiment
Amaze everyone by blowing up a Windbag with just 1 breath!
Windbags are 2 meters (8ft) long and can be inflated in just one or two breaths
Learn about Bernoulli’s principle and the properties of air pressure with this incredible demonstration