Tangoes players will love the Brainiac Edition, which picks up where Classic Tangoes leaves off and offers 54 new, even more challenging puzzles! Based on the ancient Chinese Tangram puzzle, Tangoes products are a learning tool that combines artistic and mathematical elements to enhance visual perception ability, develop problem solving skills, creative thinking capacity and teamwork. The object of Tangoes products is to form the image on the card using all seven puzzle pieces. The classic tangram forms a square. The seven Tangoes pieces can also form an infinite number of abstract designs, human figures, animals and everyday objects. Hours of mind-bending play for one or two people. Each person can play independently or challenge another in a race to solve the puzzle.