Keisan Game: Sansuu 3-nen

An educational math game for older Japanese students. The last in a series of five games released in 1986 by magazine giant Tokyo Shoseki.

An educational math game for Japanese students. The fourth in a series of five games released in 1986 by magazine giant Tokyo Shoseki.

An educational math game for young Japanese students. The third in a series of five games released in 1986 by magazine giant Tokyo Shoseki.