My secret lock is a perfect gift for yourself or your friends and family. Just solve the puzzle and you can unlock the lock! Game Play Information:Number of players: 1 to 2 Age of Players: 8 to 99 YearsSkill level: AdvancedTime to Learn in Mins: Information Not AvailableTime to Play in Mins: Information Not AvailableProfanity: NoBatteries Included: Not RequiredBattery Details: Choking Hazard: NoAdditional Information:Publisher: Go! Games Item ID: 400069568686 Product Dimensions: 3.75" x 4.6" x 3.75" Language: EnglishCountry of Origin: CN