Professor Noggin's Countries of the World II - A Educational Trivia Based Card Game For Kids Professor Noggins series of educational card games encourages kids to learn interesting facts about their favorite subjects like the Countries of the World. Each of the thirty game cards combines trivia, true or false, and multiple choice questions. Easy and hard levels keep kids interested and challenged - while of course having fun. A special three-numbered die is included which adds an element of unpredictability. For 2-8 players ages and up.