I bought this to mess with the birds in my garden, it certainly got a lot of WTF looks from them. A decent range of sounds can be produced by adjusting how much water is in there. In a pinch it makes for an excellent pipe if you use a guitar strap pin as a cone. I broke this pipe after 2 days by dropping it, I intend to replace it on my next order from Thomann though. All in all a great bit of kit i was very impressed by it.