10cm three-pin linkage 24 clock watch model clock face model learning clock math teaching aids1. Intellectual Development This learning clock helps kids learn time and numbers easily, which is great for teaching basic time tracking skills early on. 2.Durable and non-toxic Durable molded plastic watch is non-toxic and harmless to health. Durable and drop-resistant. 3. Easy to read Clear hour and minute markers are easy to read. Great for children over 4 years old. Children learn to read and settime correctly, distinguish hours, minutes and seconds, and use quarter and half terms correctly. 4. Interactive toys share the fun with children by playing and encouraging parent-child communication.Note: Manual measurement, there may be 1-2cm/1-3gerror, which is not a quality problem. Due to different screen displays, there may be a color difference between the real object and the picture.Delivery Quantity: 1