It includes four game products: interesting Sudoku stick card, maze adventure, yizhi ring chess and snake chess family fun. "Fun Sudoku stickers" contains 40 theme Sudoku cards, the difficulty of the game is increasing gradiently, children use their favorite stickers to complete the Sudoku game of each theme. Maze adventure contains 40 themed maze cards. The difficulty of the game increases gradiently. The upgraded maze and animal maze with greater difficulty are equipped with reference answers. "Yizhi ring chess" and "snake chess family happiness" respectively contain 10 themed chessboards, which are equipped with lovely chessboards and dice, as well as convenient paper containers