Amaze everyone by blowing up your Windbag in just 1 breath! A Steve Spangler Science Classic! How many breaths does it take to inflate an 2 meter (8 ft) Windbag? 70 breaths, maybe? Why even try? With a simple science secret you can amaze your students and friends by blowing up your Windbag in one breath! If you don't believe it, try this amazing science activity! Windbags are so light and strong that even the smallest scientist can demonstrate the amazing properties of air! Recommended for children ages 4 and up.
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