you need take few time to remember the cards order, then you turn theses cards over from 1 to larger number. Its a game to challenge your memory of brain, so have fun! 你需要花一点时间快速记住这些卡片的顺序, 然后按照从小到大的顺序一一翻开这些卡片, 这是一个挑战您的大脑记忆力的游戏, 祝您愉快!