16 Paper; cardboard; cardboard boxes; printed matter, namely, pamphlets, brochures, leaflets, journals, and magazines in the fields of children's intelligence and intellectual activity development and enhancement; Publications, namely, books, hand-outs, workbooks, activity books, and manuals in the fields of children's intelligence and intellectual activity development and enhancement; printed instructional, educational, and teaching materials in the field of children's intelligence and intellectual activity development and enhancement; bookbinding material; photographs; stationery; adhesives for stationery or household purposes; artists' materials, namely, artists' pencils, artists' pens, drawing pads, modeling clay, palettes for painting, and sketch pads; paint brushes; typewriters and office requisites, namely, instruments for writing, drawing, and painting, namely, lead pencils, colored pencils and indelible pencils, ball point pens, felt tip markers and fiber tipped pens, technical drawing pens, ink pens, fountain pens, mechanical pencils; note books; printers' type; printing blocks