writing instruments including pencils, fibertip pens, mechanical pencils, ball-point pens, chalks, felt pens, fountain pens, writing brushes, stick-shaped erasers, stick-shaped highlighting markers, crayons, pastels, writing ink, ink erasers, pencil sharpeners, rubber erasers, correction liquid, glue pens and adhesive sold as a unit therewith, desk stands and pen holders, pen cases, staplers, adhesives for stationery or household purposes