Test Your Lung Power

Fool your friends with this clever balloon trick. It looks like a snap-but it's not!

You'll need:

Push the deflated balloon into the bottle and stretch the open end of the balloon back over the bottle's mouth.
Challenge a friend to blow up the balloon. No matter how hard she huffs and puffs, she won't be able to do it.

Excerpt from The Jumbo Book of Science by the Ontario Science Centre, used by permission of Kids Can Press Ltd., Toronto.

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