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How to make colored smoke bombs
vendredi 12 avril 2019, 19:33 , par BoingBoing
As a kid I set my friend's kitchen on fire melting potassium nitrate and sugar on the stove, so be careful when making these cool colored smoke bombs, which use oil pastels as pigment.
https://boingboing.net/2019/04/12/how-to-make-colored-smoke-bomb.html
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