9 prerecorded audio cassettes and audio discs, and educational computer software, all featuring instruction and/or tutoring in the fields of mathematics and science
16 newsletters and educational books featuring mathematics and science instruction, calendars, non-electric erasers, paper placemats, posters, flash cards, and teaching materials in the form of games
28 video and computer game cartridges, dolls, and children's multiple activity toys for educational purposes
41 production for others of video tapes which provide incentives to children to demonstrate excellence in the fields of mathematics and science
42 design for others of CD-ROMs and computer software which provide incentives to children to demonstrate excellence in the fields of mathematics and science