http://shop.nadishana.com/index.php?page=shop.product_details&category_id=4&flypage=flypage_images.tpl&product_id=109&option=com_virtuemart&Itemid=1
You can buy this instrument here.

Set of 13 kavals,

* great sound, two styles of playing possible (turkish and khakass)!

* very light and durable, made from PVC

* covers all keys from A to A

* very well tuned in western temperated system

* have a node for balansing the sound

* each flute have chromatic scale

* comes with the soft bag

* single kavals also available