all you need is
. sticky notes
. paper clips
. tin foil
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Step 1: The Barrel
roll up one sticky note all the way
Step 2: The Stand
attach the paper clip to the barrel your cannon is done
Step 3: The Ammo
put 4 match heads on a 2"x3" sheet of tin foil
Step 4: The Ammo
roll it all up around a match when you done pull the match out
Step 5: Fireing the Cannon
when your done hold a match under the tin foil