16 Educational kits sold as a unit in the field of K - 12 mathematics consisting primarily of printed educational books and also including DVDs and t-shirts; Educational kits sold as a unit in the field of K - 12 mathematics consisting primarily of printed educational books, flash cards and worksheets, and also including an educational DVD; Educational kits sold as a unit in the field of K - 12 mathematics consisting primarily of printed books, reference cards, handouts and also including DVDs; Printed educational publications, namely, books, hand-outs, workbooks, journals, playbooks, worksheets and cards in the field of right-brain fitness; 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 K - 12 mathematics; Printed educational publications, namely, books, reference cards, handouts in the fields of K - 12 mathematics