"Algo" algo: Intuition and Logic A game to sharpen your mind! The rules are simple, but the depth is profound! Play and become better at math! Develop logical thinking skills. Perfect for parents and children to play together. Players: 1-4 Ages: 6+ From children to adults Price: ¥1429 The contents, including the instruction manual, are all complete, but please consider that this is a used item. #Books #CardGames #MathematicsOlympics #EducationalToys