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This is an instructible that doesn't work completely like the ones from the stroe but its alot cheaper!
you will need 1.a can 2.a drill 3.a balloon 4.a rubber band
get the can and remove the lid if there is one.Now flip it upside down and drill a hole about 3/4 inches big in the center.
strech the balloon over the top of the can where the lid would go.
now after putting on the balloon, take the rubberband and tightly rap it around until the balloon is totally secure.
now to shoot the air-zooka, pull back the balloon and let go. if the balloon breaks then add a new one and if this doesn't work try to ...
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