Step 4: Fire!

Pull back the pen and the cap will go flying!
 
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Plo Koon says: Feb 27, 2012. 2:56 PM
cool
daggerofblood1243 says: Aug 19, 2011. 7:32 PM
bad donut youve done it again
Jamez Britton says: May 24, 2011. 3:08 AM
I've been trying to make a full pen-gun but this is WAY simpler. Thanks!
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