【Prague Astronomical Clock】Czech Republic Europe Karakuri Puppet Astronomical Chart Dial Calendar Board Wood + Magnet Type This product is modeled after the Prague Astronomical Clock in the Czech Republic. Turning the gear on the right rotates the upper, middle, and lower sections. The back is magnetic, so it can be attached to a refrigerator, etc. Size: 7cm x 14cm x 1cm thick Weight: Approximately 45 grams Material: Wood