ThinkFun River Crossing Perilous Plank Magnetic Logic Puzzle

Complete set. River Crossing Perilous Plank Magnetic Logic Puzzle by ThinkFun. There are 40 playing cardss with 3 different levels of play. Instruction manual helps give examples. Great condition. Only flaw is a chip on the backside of the board leg, but does not affect the game play. Great for traveling play. Smoke free home.