production of television programs by using computer graphics; development and dissemination of educational materials for children using computers; providing information relating to education and entertainment, movies, sports, concerts, scenic spots, places of historic interest, and recreation; theatrical booking agencies; training in the use and operation of computers, word processors, cameras and telecommunication apparatus; publication of books, magazines; providing a computer game that may be accessed network-wide by network users; rental and leasing of television game toys; rental of amusement facilities equipped with games; education provided by telephone, in the field of sales technique; educational services, namely, conducting seminars in the field of information processing; vocational education in the field of telecommunication technique; arranging and conducting educational seminars, symposia and conferences; organizing exhibitions for cultural and educational purposes; rental of recorded magnetic tapes, game cartridges, magnetic disks and optical recording media in which game programs are recorded, videotapes, sound recordings, radios and televisions; libraries