Big Thinkers are Big Sinkers!

Humongous Entertainment only released two games of the Big Thinkers series as of June 12, 1998 Friday in the US which the third one “Big Thinkers 2nd Grade” was completed but never released. My sister played that game when she & I were kids in my old house in Sulucan, Bocaue, Bulacan when there's no internet access.