Pottery Barn National Lampoon Christmas Vacation LIGHT UP Lit Advent Calendar – NEW. Condition: New in box. Holiday / Christmas / Griswold. A painterly LED-lit scene, inspired by movie misadventures, counts down the days’til Christmas. See all the humor dedicated to the Griswold family Christmas in our exclusive National Lampoon’s Christmas Vacation collection. NO LONGER AVAILABLE THROUGH PB! Calendar is made from MDF with an LED backing. Frame features a black painted finish. MDF is an engineered wood that lends exceptional strength and ensures the product’s structural integrity over time. 23″ w x 17″ h x 3 t. Thank you for your interest!