Open one box each day from Dec 1 to Dec 24 to get new building bricks. 【24‑Day Christmas Countdown Calendar Surprise】This christmas tree advent calendar comes with 24 numbered surprise boxes. Build up the full festive set day by day and enjoy daily anticipation leading up to Christmas, creating fun new holiday traditions for your family 【Perfect Christmas Decor】Including a decorated Christmas tree, Santa Claus, reindeer sleigh, snowman, puppy, snowflakes and gift boxes.