This is a Christmas tree puzzle in advent calendar format for 2025. The package contains 1 colorful poster, 25 numbered boxes, each box contains 42 puzzle pieces, a total of 1008 pieces. Starting from December 1st, you complete one box per day until Christmas Eve, by which time you will have completed the puzzle. Each puzzle piece has the numbers 1-25 on the back, and the corresponding number is placed in the box with the corresponding number, which reduces the difficulty of the puzzle, so even beginners can complete this game. The puzzle is made of recyclable, high-quality cardboard with a premium matte finish that is strong and resistant to bending and fading. Each puzzle piece is precision cut to ensure a tight fit and smooth edges. The final finished size of the puzzle is 70*50 cm. Puzzles can train children's patience, improve their practical skills and memory, and are the best choice for parent-child activities. This Christmas-themed puzzle comes in a beautiful, high-quality gift box.