Huge cuckoo clock music boxes selections, 22 note cuckoo clock musical movement, 28 note coo coo clock mechanism and 37 note cucu clock movement. These cuckoo clock music boxes can be applied to all kinds of cuckoo clocks with musical movement, German cuckoo clock, Swiss cuckoo clocks, Black forest clocks and 1 day or 8 day musical cuckoo clocks. The most popular songs EDELWEISS and FROHLICHE WANDERER are available. We all supply all kinds of cuckoo clock music box parts, Friction governor