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Very cool prank!
Once you got a pen take it apart you only need the spring and the hollow part
Take the spring and put in the hollow part
Get a stick that's skinney enough to fit in it. I tend to use chopsticks
Above the spring
Against something sturdy and push it back
Wait for someone to open it It should fly out
10 Crazy Pranks To Play On Your Friends And Family!by CrazyRussianHacker
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