Originally Posted by
eyecue
Spiff my man! There are several commercially available binary explosives on the market that can be mixed together without any environmental controls. Plus I can think of two that are home made that you can do that with.
I can think of some things too that can be bought easily and be mixed to make a fireball. They're already on the prohibited items list though. And like every one of those other things, there are noxious fumes that result from it that would tip everyone off to what's going on.