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.
How to make colored smoke bombs
Making Colored Smoke from Basic Materials
Making Colored Smoke from Basic Materials Watch this video on YouTube. As a kid I set my friend's kitchen on fire melting potassium nitrate and sugar on the stove, so…