Colored Pencils, Set of 36 Assorted Colors with Carrying Case Tube for Adults, Kids, BONUS: Free Adult Coloring Book PDF included! 36 unique assorted colors for adult coloring books, drawing, zentangle and scrapbooking. High Quality. Soft cores are easy to sharpen and lay down vibrant color evenly. Environmentally friendly and made from non-toxic materials (wood, pencil cores and recyclable case). Comes with tube case: a great colored pencils organizer for storage. Included: Free Adult Coloring Book PDF - 29 designs of stress relieving patterns, mandalas and animals.