Ask anyone how many breaths it would take to inflate this huge windbag and they'd say 25, maybe 50 or 100? Then amaze them as you inflate it using only ONE breath! Learn the incredible scientific principles involved. Explore the properties of air with this fantastic science experiment. With this incredible windbag, just one breath is all it takes to build GIANT balloon structures. It's easy and fun, anyone can do it! That is, once you learn the secret science trick behind it.

 What you'll get:

• 4 windbags (red, blue, green, yellow).
  
• Instructions and science explanation.

Incredible Science Fun Learning Ideas:

• Bernoulli's principle in action and demonstration of the effect by blowing it up in just one breath.
• Discover incredible air properties. Learn about air pressure and air molecules.
  
• Discuss air properties and learn about weather and how airplanes fly.