The LEGO® Advent Calendar lets brick fans count down to Christmas Day with a special treat for each of the 24 December days building up to it. This hardcover calendar features 24 pockets, each containing a removable mini LEGO book. The 24 delightful books each have 16 pages crammed with exciting activities, puzzles and coloring pages to enchant passionate LEGO fans. This really is the perfect way to get into the holiday spirit!