If you ever wanted to try it, this video by Jérémy Le Chimiste should dissuade you. Here’s a quick overview of this must-have for summer parties!
The powder contained in the firecracker is composed of an oxidant and a reducer. The heat conducted by the fuse will trigger an oxidation-reduction, a phenomenon that will release a lot of gas in an instant. This is the deflagration! Naturally, this explosion will generate a release of heat, causing burns, a jet of debris that can reach the face, and the chemical reaction itself releases a lot of energy, hand injuries can be significant. So if you plan to use this type of product, always do so from a certain safety distance!