If you thought balloons were the only thing you could blow up, you're wrong. The other thing that you can blow up (air wise) is a puffer fish. Usually puffer fish expand when they feel threatened but can also expand when forced to by others.

This guy was visiting family in North Carolina and took a ride on the Crystal Dawn fishing boat with his uncle and a few mates. While they were fishing his uncle caught a puffer fish and was about to let it loose until one of the mates had a trick to show them. One of the workers for the Crystal Dawn fishing boat said, "watch this" and blew the sucker up!

Check out this man enjoy showing his trick off by blowing a puffer fish, literally.