Coloring Books with 8 Themes: Provide coloring books with 8 themes for children to enjoy the fun of coloring, and the rich patterns bring children a variety of drawing and cognitive experiences. The best art drawing supplies for kids, coloring books have clear printing and smooth lines, kids can easily identify the patterns. Be careful to use colored pencils or crayons for coloring. Best Choice for Gifts: Bulk mini coloring books for preschool, kindergarten and elementary classrooms. Perfect for classroom prizes, birthday gifts, holiday gifts, stocking stuffers, party favor bags.