Why do we blow up Balloons for birthday parties?

<p>Monthly science kits for kids - 60% off your first month - from our awesome sponsor MEL Science. Code is good until the end of May - <a href="https://melscience.com/sBGj/" rel="noopener noreferrer" target="_blank">order now</a>!</p><p>Why were early Balloons made from cat guts &amp; cow intestines?&nbsp;What gas made early Balloons explode?&nbsp;Besides parties, what else can Balloons be used for?&nbsp;</p><p>For free home activities sign-up at <a href="http://www.WhoSmarted.com" rel="noopener noreferrer" target="_blank">www.WhoSmarted.com</a></p><p><br></p><p>See Privacy Policy at <a href="https://art19.com/privacy" rel="noopener noreferrer" target="_blank">https://art19.com/privacy</a> and California Privacy Notice at <a href="https://art19.com/privacy#do-not-sell-my-info" rel="noopener noreferrer" target="_blank">https://art19.com/privacy#do-not-sell-my-info</a>.</p>