NHK Gakuen: Space School: Sansu 5 Nen

NHK Gakuen Space School was a series of distance learning games for the Famicom developed jointly by NHK Gakuen, Konami, and Tokyo Shoseki. The games were not sold at retail and were intended for schools to teach math. The games are known to be for 4th, 5th, and 6th grades, each with two parts, for a total of six games. And there is also a special course for the Idemitsu oil company called “Entertaining about the physics and chemistry of hazardous substances”. A special QTa adapter was required to run the games.