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:
Incredible Science Fun Learning Ideas: