16 Stationery and educational supplies, namely, paper notebooks, drawing rulers; paper; teaching materials except apparatus, namely, printed teaching materials in the field of mathematics for teaching, schooling, therapy, kindergarten, homeschooling, playing and in the field of development of children's intellectual faculties; educational materials for teaching purposes except apparatus, namely, printed teaching materials in the field of mathematics for teaching, schooling, therapy, kindergarten, homeschooling, playing and in the field of development of children's intellectual faculties; printed educational books in the field of mathematics for teaching, schooling, therapy, kindergarten, homeschooling, playing and in the field of development of children's intellectual faculties; printed teaching materials in the field of mathematics for teaching, schooling, therapy, kindergarten, homeschooling, playing and in the field of development of children's intellectual faculties; printed curricula in the field of mathematics for teaching, schooling, therapy, kindergarten, homeschooling, playing and in the field of development of children's intellectual faculties; printed matter, namely, posters, flash cards, educational learning cards featuring mathematics instruction, and educational activity cards in the field of mathematics