Letter Tracing Book for Preschoolers and Toddlers Let's start getting these kind of abc books for toddlers 2-4 years, and start managing a small toddler workbooks library for our little ones. The variety of exercises in this handwriting practice book for kids are guaranteed to be helpful in building hand-eye coordination, dexterity and muscle memory and is great for kids of all ages from nursery, preschool, pre k, kindergarten.