16 Paper and paper articles and printed matter, namely, notepads, writing tablets, postcards, posters, decals, stickers, stationery, stationery folders, bookmarks, trading cards, book covers, notebooks, binders, loose leafs, banners, table covers, stencils, self-sticking notepads; printed publications, namely, magazines, newsletters, brochures, family take-home materials, teacher's guides, workbooks, worksheets, educational kits, fliers, mailings and handouts featuring information regarding energy and environmental science; pencils, pens