Check out this explosive video tutorial on how to make an electronic igniter from a Christmas light. It's fairly simple and straightforward, so you could easily make ten ignitors in five minutes.
You'll need a Christmas light with the wires cut at about two inches, black powder or some other kind of pyrotechnic powder, tape, a Bunsen burner or lighter, needle nose pliers, water and some sort of nine-volt ignition system.
This is one hell of an electronic igniter for any of your bomb-making or firework display needs.
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