Description : How To Make A Potato Gun
Last Answer : MATERIALS : 3/4 inch pvc, 3/4 inch solvent pvc ball valve, 3 90 degree pvc elbows, 2 pvc tee's, pvc glue, saw, bike inner tube valve, pvc end cap, sand paper, and 5 minute epoxy glue. ... dry overnight and you'll be ready to shoot. if you do not wait long enough the gun will almost explode.