UV Printing Educational Clock on Natural Wood We have prepared a clock in which your children will both have fun and learn the time. Clock Diameter: 37 cm Product Material: 3mm MDF Production Location: Turkey: UV Printing is Printed on MDF. It is produced with special cutting (harmless paint is used). Mechanism Information: Hour hand: Length is 13 cm - minute hand length is 18 cm - second hand length is 16 cm. The clock mechanism is quiet enough not to disturb the sound. It works with a single battery. Installation and assembly: The clock is shipped disassembled. The information required for installation is included in the box. (Battery is not shipped.)