Uploaded February 2023 | Updated September 2026, 1 week ago

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In this video I make the beautiful traffic light demonstration, and explain how it works.

If you have any suggestions please write them in the comments!

Also today my channel reached 100 subscribers! Thank you :)

0:15 Preparing The Demonstration
3:05 The Explaintion

#chemistry
#diy
#experiment
#colors