Adorable, Fun and Engaging Preschool Workbook This early learning kids activity book is for boys & girls ages 1, 2, 3, 4 & 5 years old (especially toddlers, preschool, nursery, pre-k & kindergarten kids) but it is suitable for kids age one, two, three, four & five up to age six who love to color/colour in. Toddler Coloring Book is an awesome toddler coloring book for fun and learning that inspires hours of enjoyment―at home or in the classroom.