Ocarina: An ocarina is an instrument that can have three to eight holes and is flute like and has different forms, one form is a transverse ocarina which is in the picture, it is the most common form. Another form is pendant, which usually does not have above five holes, is small and sphere like, it is usually held on a necklace. The last form is the inline form which is a mix of transverse and pendant.
Dayra: The Dayra is a simple drum it is just a wooden ring rapped in animal skin, and is beat with the hand
Daf: A tambourine like drum to be held in one hand and beat with the other.
Dombra: A lute like instrument with the neck of guitar.
sites used:
en.wikipedia.org/wiki.Music_of_Central_Asia,
http://www.atlasofpluckedinstruments.com/central_asia/dombra.jpg,
http://www.akdn.org/images/programmes/akmica/akmica_dayra.jpg,
http://www.parsmusicbazar.com/daf_files/daf2.jpg
http://en.wikipedia.org/wiki/File:Ocarina_SopranoF_AltoC.jpg
http://en.wikipedia.org/wiki/Ocarina
Alex