16 Dry erase markers and pens; instructional and teaching materials, except apparatus, for use in pre-school through twelfth grade in the fields of mathematics, spelling, printing and writing, anatomy, geography, phonics, language-learning, religion, science, history, music, time-telling, animal recognition, shape recognition, season recognition and flag recognition; instructional and teaching materials, namely, dry erase write on mats and mat boards, educational books featuring mathematics, spelling, printing and writing, anatomy, geography, phonics, language-learning, religion, science, history, music, time-telling, animal recognition, shape recognition, season recognition and flag recognition; educational learning cards in the fields of mathematics, spelling, printing and writing, anatomy, geography, phonics, language-learning, religion, science, history, music, time-telling, animal recognition, shape recognition, season recognition and flag recognition; flash cards and activity cards in the fields of mathematics, spelling, printing and writing, anatomy, geography, phonics, language-learning, religion, science, history, music, time-telling, animal recognition, shape recognition, season recognition and flag recognition; workbooks in the fields of mathematics, spelling, printing and writing, anatomy, geography, phonics, language-learning, religion, science, history, music, time-telling, animal recognition, shape recognition, season recognition and flag recognition; textbooks in the field of mathematics, spelling, printing and writing, anatomy, geography, phonics, language-learning, religion, science, history, music,time-telling, animal recognition, shape recognition, season recognition and flag recognition; hand-held and stick-on whiteboards and dry-erase boards; erasers; white board erasers