Christmas 24 Days Countdown PuzzleThis advent calendar Christmas puzzle is made of 1,008 high-quality three-layer recycled paper card, which is resistant and not easy to bend. Special surface film treatment, so the color can keep colorful for long-term storage. Numbers 1-24 are printed on the back of the 1008 puzzles acting as a compass to help you complete this great puzzle, and you can turn the Completed Puzzle into a Wall Decoration.