Working battery-operated wall clock with very clear dial that carries all the information children need to learn to tell the time. Supplied with simple 3-step teaching system that enables children to tell the time in 'minutes past' and 'minutes to' the hour as soon as they can read numbers. Silent no ticking with 'sweep' second hand showing that time is constant and not stop start. Attractive colourful has unisex appeal and looks good in any room.Helps all children including those with learning difficulties. Single AA battery required (not included). Silent no ticking. This product is not safe to be handled by children under 4 years because it has an accessible battery. Size: 290 x 290 x 30mm.