Kurt Adler J3767 Wooden Nativity Advent Calendar with 24 Magnetic PieceItem Number: J3767 Dimensions: 18. 00 x 15. 20 x 2. 60 inches This advent calendar by Kurt Adler allows children to design their own nativity scene over the course of the month. It gives children the flexibility to be creative and design using their imagination. It is made out of wood and is painted with a night time sky color. It features 24 doors around an empty manger. It has a magnetic feature behind each door making the countdown to Christmas