The playing method is simple and can develop a child's mathematical ability and enlighten the child's logical thinking. Fine workmanship, shiny and colorful appearance, more likely to stimulate the baby's game interest. Challenge someone and take turns to set and to crack the codes. play as many times as you want or until a player spent their 30 shots to crack the color codes. Play this toy with your child to promote parent-child interaction and enhance your feelings. A good birthday gift for your child. Specification: Material: ABS. Choking Hazard - Small Parts Size Chart: Size: 35x15. 5x2. 7cm / 13. 78x6. 1x1. 06 inch. Package Includes: 1 Set for Puzzle Game Code Breaking Toys. 1 Piece Manual. Note: Color might be slightly different due to the color for calibration of each individual monitor. Please allow slightly measuring deviation due to manual measurement. Specifications:Material: ABS. Choking Hazard - Small PartsSize:Size: 35x15. 5x2. 7cm / 13. 78x6. 1x1. 06 inch. Note:Color might be slightly different due to the color for calibration of each individual monitor. Please allow slightly measuring deviation due to manual measurement. Package included:1 Set for Puzzle Game Code Breaking Toys. 1 Piece Manual.