Advent Calendar with Metal Puzzles Daily Brain Exercise until Christmas Make the wait for Christmas Eve exciting with an advent calendar filled with 24 unique metal puzzles, where each day offers a new challenge! This calendar is perfect for both children and adults who like to puzzle and compete to see who can solve the most puzzles. Each metal puzzle is made of durable material that holds its shape and has its own place in the calendar. Each puzzle can be reassembled after solving for an extra challenge, which makes this advent calendar both fun and stimulating. Experience the joy of solving puzzles together with family and friends for a memorable Christmas experience. Contents of the Advent Calendar: 24 Metal Puzzles With a new metal puzzle behind each door, you get a daily gift that trains both problem-solving and creativity.