CRH. How to Blow Up a Balloon With Baking Soda And Vinegar - Cool Science Experiments. Posted: September 23, 2024 | Last updated: September 23, 2024 ...

We used duct tape to do this, putting a small hole in the tape to fit the straw through and creating a seal. You can use putty, playdough, or glue to do this as well. Fill the bottle with water up ...