How Cuckoo Clocks Work

What goes on inside the charming boxes of cuckoo clocks seems a mystery. These videos reveal how cuckoo clocks are made and how cuckoo clocks work.

Cuckoo Clock Assembly Animation

This animation makes it clear what all the parts are and where they go.

The Cuckoo Call

This video shows how the all-important bellows, the cuckoo sound in the cuckoo clock, work, with a simplified crank to operate them.

I a cuckoo clock, the movement, powered by the wights, powers the bellows. The bellows become the voice of the cuckoo bird itself.

Now you can see how the two different tones of “coo-coo” are generated.