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Here I will show how to convert a pen and some other ordinary household objects into your own secret water pistol.
Here is what you'll need: a pen (preferably bic ultra round stic grip) electrical tape a ball pump needle a drill (or you could find something really...
First, take apart the pen. The back cap might be tricky so you might need to use pliers.
Next, take the ball pump needle and try to wedge it into the tube part of the pen. It will be very tight, and you will probably need to file out the i...
Next take the back cap and drill a hole in the center of the cap, about the diameter of the paper clip wide. Or you could just poke a hole with a poin...
To make the piston you first take your paper clip and unfold it with you pliers. Next you create the handle using the pliers. Then you slide on the ba...
Finally, slide the piston into the pen tube, and lock the back cap back in place. Make sure the piston creates a water tight seal with the pen. You mi...
To load , fill a glass or something with water. Next, pull back the pistol to suck up the water. To fire just quickly push the piston forward. If it...
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