How to Build a working mini gatling gun out of Legos

Most of the guns that people make out of Legos or Knex are pistols. Small, easy to build, low maintenance. Those are all fine qualities. But if you want a powerful, destructive Lego gun that will blow all others out of the water, check this video out. It features step-by-step instructions for building a minigun out of Legos that will hold and shoot 120 rubber bands at a time! The second video is a firing demonstration. Those Legos never knew what hit them!

From the creator:

READ IF CONFUSED

When you make the barrel on one side of it you will have seven holes I say to at least leave 5 what I mean is when you put the supports for the barrel in you put it six spaces into the barrel so if 0 marked holes and X marked holes that the support structure is in it would look like 00000XX for a 8 barreled and on the other side it would look like 0XX