As a firefighter I can tell you we aren't big fans of those things. Had some turned loose last year at some event that caught several dozen acres of field and timber on fire.

Very pretty, kinda neat, and a great way to start something burning you didn't intend to.

Dale

[Linked Image from i90.photobucket.com]

"When tempted to fight fire with fire, remember that the Fire Department usually uses water." - anonymous