This is German engineering

That firecracker explosion was pure BS IMO. The bottle rocket kid is lucky he still has a sack to pull up on. What fool would even try that?

Now for cool explosions look up Tannerite on youtube. BTW, you can buy the stuff off the web. Shoot it with a fast pointy bullet and if you blow up chebbys or ferds do it somewhere that will not mind all the metal pieces. Here is a good one:

[ame="http://www.youtube.com/watch?v=UsDefZv72EY&feature=player_detailpage"]Tannerite Vs Car - 20 lbs - YouTube[/ame]