Children aged 3 to 6 years old are supposed to use this educational material to study how to tell time.Since the course level will go up slowly, it would suit the small learning beginners.The first step is learning to read an hour hand with a fixed minute hand.The clock learning series (Hajimeteno tokei) includes two books.The volume one enables you to read the clock with a minute hand pointing to every 5 minutes, which is easy to understand.It would be really helpful to your children as a number of questions about the clock are there in the materials.