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a small gun made of knex that fires pen tubes and has great range and accuracy.
 
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Step 1: Parts

parts needed:

2 yellow sticks
10 blue washers
a rubber band
2 orange double sided clips

Step 2: Construction

take the 2 yellow sicks and on each on put 5 blue washers. Put the 2 orange pieces in front of and in back of the washers like in the picture. Push the washers and clips as far down as possible. Wrap the rubber band around it like it in the picture.

Step 3: Firing

put the pen tube thru the center hole like in the picture. put the rubber band on the back and pull. get the plastic part of the tube thru the first one and push up.it shoulg get locked in position. push down to fire.

Step 4: Get ink tubes (If needed)

on the pentube it reads this:

your no.1 source for pens
cotapaxi
international jumbo sized refill
get free refills1 email: freerefills@cotapaxi.com\
cotapaxi.com tel: 201-227-1170
FIREPOLICE5 years ago
NICE WRITTING PEN THE PRICE IS RIGHT IF IT FREE IT IS FOR ME
theking7 years ago
this could maybe go through somebody's throat!!!! JACKASS 2 RULES!!!!!!!!!!!
Alyblueyz7 years ago
Love it! Great device! I was able to remove 3 obnoxious co-workers from the office with it! alyblueyz
aiden1200007 years ago
The metal part of that pen looks lethal
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