Our popular line of metal Puzzlers are beautiful and intriguing. Engage your mind as you work to find the solution to disentangle these puzzles. They come in a variety of difficulty levels that are increasingly challenging. This Patience puzzle is classified as Advanced difficulty. 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: 400069328686 Product Dimensions: 4.5" x 3" x 1.9" Language: EnglishCountry of Origin: CN