This is the world's largest coo coo clock. There is a wooden man who chops wood when it coo coo's and of course the bird comes out for each coo coo. We saw this at noon time which (to me) was the perfect time to see it (more coo cooing going on). The lady who gave us the tour was the daughter in law of the clock maker. He built this house specially for making a clock big enough for people to walk around inside.