The color of the three boxes keeps changing, and as the color of the box changes, the rose moves quickly from box to box according to the set rules. The rose stops after moving for 1 minute. At this time, it is a game that requires concentration to guess the location of the box containing the rose. Play this game before work or study. Eliminates distractions and improves concentration to increase efficiency. It is good for brain training, prevention of dementia, and perfect for killing time.