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Packaged kits comprising printed instructional, educational, and teaching materials for educational activities in the field of mathematics; Printed educational materials in the field of mathematics; Printed educational publications, namely, educational learning cards, flash cards, activity cards, workbooks, textbooks, activity books, story books, puzzle books, printed puzzles, teacher guides, manuals, posters and educational booklets in the field of mathematics; Printed educational publications, namely, posters in the fields of mathematics; Printed posters