Scientific apparatus and instruments; science sets for children being instructional apparatus; optical apparatus and instruments; telescopes; microscopes; batteries

Paper; wrapping paper; writing paper; pads of paper; stationery; envelopes; printed matter; greetings cards; trading cards; books; stickers; office requisites; adhesive tapes for stationery or household purposes; holders for adhesive tapes; glue for stationery or household purposes; glitter glue for stationery purposes; marking stamps; erasers; pens; pencils; crayons; chalks; paintbrushes; pencil sharpeners; artists' modelling materials; modelling clay; modelling clay in powder form; moulds for modelling clays