Then I used a bigger Firecracker around 5g - 10g - 15g grams in a cardboard tube to show the effect of extremely flammable flash powder.
Eventually it paid off here, rule the longer the better mix the powder burning and exploding, of course, is a lot more to know.
In that video, while it can not see but in reality it is very strong otherwise it is not explosive explosive.
This time it was a bit managed sounded great there very morning sound effects truly amazing experience, I was unpleasantly surprised at what can 25 grams less crackers in a small cardboard tube.
Distance from the blast less than 15 meters.
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