Were early balloons really made from animal guts?
Were early balloons really made from animal guts?  
Podcast: Who Smarted? - Educational Podcast for Kids
Published On: Mon Feb 08 2021
Description: Why do we blow up balloons at parties? What gas was originally used to make balloons float? What else are balloons used for? For free home activities sign-up at www.WhoSmarted.com   See omnystudio.com/listener for privacy information. See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.