Nope, but I want. Love those things.
Are they legal were you are?
Fountains as far as I know are. The legalities aren't too heavily enforced around here, everyone's usually drinking and cooking out and everyone has a stockpile.
Neighbor and his friends blew a crater in the front yard 2 years back, shook every house on the block. I had shit that jumped off the top of cabinets.
Drunken rednecks. I miss them somedays.