16 Printed matter, namely, coloring books, printed timetables, numbering guides, lettering guides, printed paper signs featuring timetables, numbers and letters for educational purposes; adhesive-backed letters and numbers for use in making signs and posters; photographs; stationery; artists' materials, namely, artists' pens and pencils and dry wipe pens; printing blocks; wrapping paper; gift wrapping paper; non-fiction books made of paper in the fields of science, mathematics, vocabulary, sports, history, geography, animals, biology and astronomy; children's interactive educational books; educational publications, namely, educational learning cards, flash cards, activity cards, workbooks, textbooks, activity books, story books, puzzle books, printed puzzles in the fields of science, mathematics, vocabulary, sports, history, geography, animals, biology and astronomy; three dimensional models for educational purposes; colouring crayons and colouring pencils; writing materials, namely, chalk boards for home use, magnetic boards, dry erase writing boards and writing surfaces