74150790
Mar 21, 1991
Mar 31, 1992
pre-recorded video cassettes to be used in association with teaching children science and technology
Electrical and Scientific Apparatuseducational guides to be used in association with teaching children science and technology
Paper Goods and Printed Mattergame package used for educational purposes, and comprising video cassettes and cards describing activities, games and experiments, all sold as a unit
Toys and Sporting Goods