Thank you for viewing! ^_^ Flash of Insight and Logic: A Game to Sharpen Your Mind algo Algo Arithmetic Olympiad Committee Play and become stronger in arithmetic! Improves logical thinking skills. Perfect for playing with parents and children. Algo is a card game jointly developed by the Arithmetic Olympiad Committee, led by Eiji Wakasugi, along with volunteers from the University of Tokyo's Department of Mathematics, and Peter Frankl, a mathematician also known as a street performer. The more you play, the more you develop concentration, memory, and analytical skills, and your logical thinking abilities improve. There are some creases on the box and instruction manual as shown in the photos, but the cards and chips are in like-new, excellent condition. ⭕️ Instant purchase