The Unusual Suspects is a game that allows students to delve deeper into problem solving. It is great for the competitive students in your class as well as the students that don't have as great of an interest in math, especially problem solving. They can move up the ranks each time they solve a problem to become the ultimate sleuth- a Spy. Comes with a game board, 16 math characters, question cards, instructions, and answer sheet. The cards have a description of the math concept, key words, rankings, and points.