Artists' watercolor saucers; Balls for ball-point pens; Drawing boards; Drawing instruments; Drawing materials for blackboards; Drawing pads; Drawing pens; Fountain pens; Marking pens; Paint boxes and brushes; Painters' brushes; Painters' easels; Palettes for painters; Pen cases; Pen clips; Pencil cases; Pencils; School supply kits containing various combinations of selected school supplies, namely, writing instruments, pens, pencils, mechanical pencils, erasers, markers, crayons, highlighter...