More to explore:
Thing to Try: Instead of Helium Use Baking Soda and Vinegar
Kids' Science Experiments
experiment to do with kids!
ant experiment :) neat!
Do you know how you can blow up a balloon with soda? This cool science experiment for kids will blow your mind!
No helium needed to fill balloons for parties.....just vinegar and baking soda!
Blow It Up! Exploring Gas with Balloons, Baking Soda & Vinegar
Helium ballons minus the helium!
looks like fun!
Preschool science experiment