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GASP Explosion!

ch2435OP
#1
Well for English, I'm supposed to make like a little fortress thing, but I'm gona be special and make a fortress then blow it up with a small explosive ;­D It needs to be to scale and the explosive is the problem.Anybody know how to make a small explosive that will blow up in a shoe box sized radius??
TirithRR
#2
Coca-cola, Mentos (candy), and a sealable bottle. It's relatively safe.
tomitanoshii
#3
dry ice on a sealed plastic bottle with water.
Loonylion
#4

Replying to #3

dry ice is classed as dangerous so he probably wouldnt be able to get any.
cjdogger
#5
Put a firework in a small box, it'll be fine d(^.~)b
MadmanNero
#6
baking soda and vinegar in a sealed paint tin.
cjdogger
#7
Gun powder or a flammable gas is good
Loonylion
#8
hard to control the scale of it though.
Loonylion
#10
when hes trying to blow up a model in class, yes.
MadmanNero
#11
good luck getting gunpowder into class in the first place...well I guess that depends on the country your in.
TirithRR
#12
The simple pressure building explosion is the way to go. It's pretty much harmless, no fire, very little shrapnel (The bottle rarely splinters, just splits open along the seams.
Seph
#13
CJ please realize this isn't the Random section, do take it seriously.
cjdogger
#14
I know... I'm just assuming he's putting the project in a safe, explosive proof container :3
b00bage
#15
I was always a fan of sparkler dust with a sparkler as the fuse which should be relatively safe provided it is done outside.
tomitanoshii
#16
an air pump and a relatively small balloon with thick skin that would make a large pop.
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