I do not know what some people expect for 70, I have the part attached to the WE and operated twice and am fully satisfied; I'm going to buy a few more stones and covering the combustion chamber so that, then you have to extinguish the flame, but otherwise, without supervision would be me too dangerous; Only disturbing is the smell of burnt ethanol for me no bad investment and now have a go if you can seduce women with the atmosphere :-)