Made A Crossbow Out Of Office Supplies

“If you would hit the mark, you must aim a little above it; every arrow that flies feels the attraction of earth.”
Henry Wadsworth Longfellow

I found this project in a book and thought it would be fun to make.  I started with the following items, all of which should be available in almost any office:
  • -A pen
  • -A marker
  • -A clip
  • -Some rubber bands
  • -Tape

The first step was to disassemble the pen.

The most time consuming part was making a hole in the middle that could fit the tip portion of the pen.  It’s probably a lot easier with a drill, but most people don’t have a drill at the office.  I used a thumbtack to make the hole.

Then I used a pair of scissors to make it larger.

I also used the scissors to cut slits on each end of the pen shaft.

This is what the main cross part looks like.

I used rubber bands and a bit of Super Glue from Dave Lo to attach the pen and the marker together into a cross.

I taped the clip onto the marker as well.

I took another rubber band and fit it into the two slits I made.  The ink section of the pen goes through the little tip portion and presses back into the rubber band.  It’s then secured with the clip part of the crossbow.

The first time I shot it, I didn’t think the rubber band was going to be tight enough to do anything, but when i released it, the “arrow” flew over the wall and bounced off another wall in the hallway.  I went to retrieve my ink arrow and one of my co-workers said, “I thought something hit me in the head.”  Whoops!

It works better than I expected and can be assembled really quickly.  I can definitely see the potential to make something much more dangerous here.
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