Brain-boosting games from Gakkan. ⭐︎ Algo - Photos 1 & 2 The rules are simple, and the more you play, the more you develop: concentration, memory, and analytical skills. Improves logical thinking ability. Players: 1-4 ⭐︎ mattix - Photos 3-7 Competitive game. The more you play, the more you develop: logical thinking ability and calculation skills. Players: 2 Suitable for children and adults. Stored at home. Please refer to the photos for the condition. No claims and no returns. Thank you for your consideration.