Clock with numbers as karateka is good gift idea for all who loves sport. This is original home decor in eco friendly style. This wall clock is made from high-quality eco materials, which are environmentally safe for children. The clock is equipped with a silent clock mechanism (by German company Hermle) that operates from a single AA battery. We check and test all of our clock before shipping. AA Battery is not included in the kit to clock. If you have some problems with clock, please write us a message for getting help. Diameter of the clock 10" (25cm)