Challenges IQ password designer & decipher Children's Desktop Games Parent-Child Interactive Chess Friend Competition Board Game : Product name: magic machine calculation game Packing size: 33 x 4.5 x 21.5CM Packing: color box Age: Over 6 years and adults Product matching: 2 assembled game boards, 192 large color nails, 78 small nails and 1 English manual Specifications: Role allocation: password designer and decipher two roles (alternate) Game points: 1. Step scoring system Two players take turns to play the game to decipher the password and use a few steps to finish the other side's score (try to finish with the least number of steps to make the opponent score less) 2. Time-use scoring system Two players take turns to play the game, and the player with fewer steps is counted as 1 point for deciphering the password. If the number of steps is the same, it will take less than 1 point. Goal of the game: The decider uses as few steps as possible to deduce the color and position of the 5 password nails. Game upgrade: In order to make the decoding more complicated, the password designer can use two or more of the same color. If you want to upgrade the use of this rule, please confirm each other before starting. Package Included: 2 * assembled game board, 192 * large color nails, 78 * small nails, 1 * English instructions