https://www.sciencefun.org/kidszone/experiments/cloud-in-a-bottle/
HOMEMADE BAROMETERhttps://www.google.com/search?client=firefox-b-d&q=homemade+barometer+with+balloon#kpvalbx=_pCN5YbDpD9WHjLsPuNSTwA416
🌴JUNGLE IN A BOTTLE. https://youtu.be/Hqrrbb8fGr4
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