I was looking everywhere for a fog bubble machine. I am an amateur DJ and often find myself volunteering at my son's school for dances. I also wanted to use this at a "Glow party" where there were neon decorations and black lights aplenty - I knew the fog bubbles would glow really well with black lights.Needless to say, it is a HIT EVERY time I use it! I took it out to the pool at a beach rental house I was staying in and ran it and fog bubbles took over the entire neighborhood, floating down the street. People were coming out of their houses and playing with the bubbles. When you pop a fog bubble, a wisp of fog dissipates - it's very cool! Even dogs loves playing with them.Concerns are the instructions are pretty much useless, and the menu system is very rudimentary. It's obvious this thing is straight off the boat chinese. It's also really big, which makes transport difficult.I really hope this thing stands the test of time, because it is super fun.