Color: Blue and black Brand new and high quality Size: 17*8*2.5cm Type: Board Game Material: Plastic Game rules: 1. The number of players in the game is 2, one person sets the password and one person comes to crack it 2. As the cryptographer, your goal is to set up a mysterious and cunning password so that your opponent cannot easily guess it (the password must be kept secret and cannot be seen by the cryptographer) 3. As the codebreaker, you need to break the code as few times as possible in order to win. 4. Colorful colors to give children more color awareness and improve their color perception Package Include: 1*Chessboard toy