What happens when you fill a ping pong ball with extremely flammable propane, then light it on fire? Does it spin really fast, or make a cool noise, or explode? The answer is yes! Last video, I made a mistake. I forgot to set one of these on fire! Well thats kinda my thing, so today I set out to fill a pingpong ball with propane and set it on fire. I used a hose with a 20ga needle on the end to pump propane directly into the ping pong ball. I put a torch on my wooden bench and threw gas fille