《九宫格游戏》是一款儿童益智游戏，是从“ER儿童故事”中精选54幅图片组成构图。游戏中分为3x3,4x4,5x5和6x6四种难度。是提高儿童空间思维能力的好帮手。 -"Sudoku" is a children s puzzle game, is from the "ER children s stories" in the selection of 54 pictures of composition. The game is divided into 3x3,4x4,5x5 and 6x