Writing, drawing, painting and modeling utensils; mechanical pens, signing and marking pens; pencils, color pencils and copying pens as well as replacement cartridges for these; propelling pencils; ball point pens, refills, felt and fiber pens plus refills; devices for the application of writing, marking and highlighting liquids; correction fluids and devices for writing, drawing, painting and signing; auxiliary and operational devices for overhead projectors for visual applications such as transparent films in sheets and as webs for writing with special pens, specially coated films for copiers, self-adhesive color films, decal lettering, pointers, correcting devices for films; cases, pouches, tins, plastic containers, metal containers, glass containers, paper and cardboard packaging for transport, keeping, presenting or use of writing utensils; writing boards, films for boards for writing with special fiber pens; models for drawing, drawing books, posters; teaching aids (except apparatus) to the extent included in class 16; filing products, such as filing cards, tabs, inserts; educational games and educational toys; erasers, glues for the office, paper and stationary; filing folders; folders, binders, transparent covers (of board and/or plastic