[ Printing products, namely, printing paper, envelopes, and cards, namely, blank and printed greeting cards; writing implements, namely, ball-point pens, lead holder pens, pencil leads, flip chart markers,] pencils, pens, [ fiber-tip pens, and all surface writers, namely, felt-tip markers and pens for glossy surfaces of plastic, glass, metal, fabric and leather; artists' supplies, namely,] artists' pens, pencils, [ pastels, paints, water color sets, crayons,] colored pencils; [ drawing implements, namely, drawing chalks and crayons; modeling materials; sharpeners, pencil lengtheners,] containers for writing materials, pencil trays, [ letter openers, desk sets, penholders, crayon holders, rulers; geometry curves comprising of curved rulers; geometry sets comprising of drafting rulers, drafting squares, and drafting compasses; geometry squares comprising of ungraduated rulers, T-squares; drawing sets comprising of drawing rulers, and drawing squares; ] teaching and instructional materials in the form of books, leaflets and brochures all in the field of drawing, painting and modeling [ ; and blackboard drawing implements, namely, blackboard drawing chalks and crayons; and playing cards]