[ SET SQUARES, PROTRACTORS, T-SQUARES, FRENCH CURVES AND RULERS ]

[ PENCILS, PENCIL CLIPS, SLATE PENCILS, ] PENCIL SHARPENERS, [ PENCIL PROTECTORS, PENCIL CASES, ] MECHANICAL PENCILS, [ AND REFILL LEADS THEREFOR, PENHOLDERS, ERASERS ] FELT MARKERS [, BALLPOINT PENS AND PARTS THEREOF, AND LIQUID LEAD AND DRY INK PENS AND PENCILS ]