Blackboards; Book covers; Bookends; Document files; Envelopes; Folders for papers; Kraft paper; Note books; Paintbrushes; Painters' brushes; Palettes for painters; Paper clips; Pencil holders; Pencil sharpening machines, electric or non-electric; Rubber erasers; School supply kits containing various combinations of selected school supplies, namely, writing instruments, pens, pencils, mechanical pencils, erasers, markers, crayons, highlighter pens, folders, notebooks, paper, protractors, paper...