Ontario Science Centre, a science museum in Toronto, Ontario, Canada has drawn attention of people of all ages by creating the most creative music instrument.
This keyboard fountain is a perfect combination between art and science. It's called hydraulphone (a hydraulic-action pipe organ). The pipe is look like a tin flute and its sound is like an organ. It's easy to play by using your fingers to stop the jets of waters from the pipe. And by blocking multiple jets you can even play chords.