Educator Jonathon Holt says children learn best when they are actively involved. Here are free printable mini booklets for children to color. Subject include letters, words, seasons, animals, science, Bible, holidays and lots more. These books make excellent classroom, homeschoool and supplemental lessons for ages 4-7 years (grades preschool through second). These free printable activities are especially good for ECSE and special needs children. Free Printable Coloring Mini Books for Children