Instructables

How to make a pen cap catapult

Picture of how to make a pen cap catapult
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this is a great little catapult to annoy people with.
all you need is
pen cap
paper( this will be the ammo )
tape
 
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Step 1:

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first, crumple up the paper to make a little ball. you now have ammo. (sorry for the fuzzy pic)

Step 2:

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now for the catapult. take the pen cap and put a piece of tape on the back, folding the sides in. next,take a longer piece and pot one corner on the left tape thing, then fold it around the other sides.