Introduction: Pen Gun
Step 1: Things You Need
1=piece of tape
fist take apart the whole pen only keep the body and the ink cartrige
next make the rubber band a 8 put the top of the 8 around the body of the pen not the bottom
now where the two circles of the 8 is tape that to the body off the penthe bottom 8 should be bigger than the top
last put the ink cartridge back in the barrel pull it back and make it meet with the rubber band as you ar holding it pull back and release have fun!!!!!