TWELVE 42-PIECE PUZZLES – The advent calendar features 12 windows, each containing a mini puzzle. After the 12 days are completed, the 12 mini puzzles come together to create a single fully interlocking 500 piece puzzle image. BRIGHT AND BOLD ARTWORK – The 500 Piece Advent Calendar features a cozy and merry living room scene. Puzzle lovers will appreciate all the delightful details as they piece together the puzzle, creating a beautiful display that will add a touch of charm and holiday elegance to any room. PERFECT FOR GIFTING – Makes an ideal gift for puzzle and fine art enthusiasts alike. Makes an ideal gift for birthdays and holidays and for friends and family of all ages!