Ah, the Mystery of how a cuckoo clock works! These videos will lift the veil for you.

Cuckoo Clock Assembly Animation

This funky animation reveals what the parts of a cuckoo clock are and how they interact. There’s no way to see inside the movements to see what the parts are doing, so it’s fun to see the blown out parts come together and then operate.

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.

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