"Mommy, what time is it?" "Mommy, how long till dinner?" "Mommy, are we there yet?" If you end up answering one or more these questions on a daily basis, it might be time to buy your little one a watch. But before investing in a cute timepiece, make sure they know how to use it. From on-the-go games to bedtime reads, these tools are an easy and fun way to teach kids how to tell time.