THE BEST AMMO FOR THIS CANNON IS PAPER DARTS. they are even simpler and cheaper to make than the cannon. I cannot take credit for this because i found this from someone else but i will put a link for it.Paper Darts
P.S. yes, i did use a few images a couple times.
Step 1: Materials
1- long piece of 2/4 inch PVC piping, buy enough for your standards; longer or less depends on you
1- ball and socket valve 3/4 inch
1- 3/4 inch end cap
1- tire valve replacement from autozone or pepboys etc.
1- can of PVC cement
hacksaw or radial arm saw
bike pump WITH PRESSURE GAUGE
DISREGARD THE PIECE THAT IS CONNECTED, THE TWO ELBOWS AND SPLIT PORT, it was for an add on but i messed it up =/