Details from Pottery Barn: Make your holiday sweeter with this traditional motif. We can’t resist the mystery of any advent calendar but the architects of this one must have been elves: Tucked into an illuminated, snow-dusted gingerbread manse, 25 doors open onto a different surprise each day. The kids will remember it fondly for years to come. Made from MDF with 62 LED bulbs. Features 25 doors to hide treats behind (treats not included). Battery operated; requires 3 AA batteries (not included). Overall: 22″ w x 3″ d x 21 h. Small Doors: 2″ w x 2.25″ h. Large Doors: 2.5″ w x 2.5″ h. Weight: 4.75 lbs. Dust with a soft, dry cloth. We recommend removing batteries when storing for any period. Replace with fresh batteries when ready to reuse.