24 Day Surprise: Have a perfect Christmas vacation by completing these challenges. 24 windows displaying 24 Advent Calendar 3D metal puzzles. Each puzzle is made of high quality metal and has a different shape and difficulty level. You can put them together with family or friends, or challenge yourself to solve them yourself. Sense of Accomplishment: This 2023 metal puzzle advent calendar will make you feel a sense of accomplishment and satisfaction when you complete each day's puzzle. Suitable for relaxation, this product indeed presents difficulties and challenges in the whole process. Safety Assured: Made of high quality metal, this Advent calendar is strong and durable, not easy to bend or break. The puzzles are smooth and burr-free, ensuring a safe and fun experience for you and your family. Boost Intelligence: Elevate your brain game with our 2023 Metal Puzzle Advent Calendar. This fascinating set stimulates critical thinking and concentration, while inspiring ingenuity and promoting early education. Perfect for children and adults who crave an intellectual challenge. Unique Gift Idea: Improve your problem-solving skills with the 2023 Metal Puzzle Advent Calendar. Ideal for children, boys, girls, teenagers or adults, this gift is perfect for parties at school or at home. Featuring daily metal puzzles, this is an unforgettable Christmas gift that will delight every member of the family.