(250) Pieces Wooden Puzzle in Wooden Advent Box: Our Vintage Christmas puzzle contained in a most unique Advent calendar. Open each door to discover that day’s pieces. Puzzle reveals itself through the holiday season and stores back in the box for use each year. Calendar is lit from within, powered by 2 AA batteries. 6 Treasure Pieces and 1 Crowning Achievement Pin included, as in all of our Trove puzzles.