We have one bowl, which gives shank sound and cuckoo sound on rubbing the finger with different angle and which could be heard upto 200 mtrs.

How it works: · You have to first wash the bowl and filled with some water. · When you rub your finger straight, it gives shank sound. · When you rub the side of your finger, it gives the sound of bell. . When you rub the finger and water shaking, it gives cuckoo sound

Please send your buying procedure on sumit78kyahoo.com with rate, terms & condition you offer.

as per the Muslim religious book, it produce 101 different sound and made by some muslim person. we know about only three only. it is 250-300 yrs old

free hand testing till your satisfaction.

please find the video at http://www.youtube.com/watch?v=vPI8M7jg0FE&feature=youtu.be

best regards sumit