For the third-straight year, Lionel Racing the Official Die-cast of NASCAR is giving fans "12 Days of Surprises" with a special collection of exclusive and fan-favorite die-cast replicas of some of the sport's most eye-catching cars and trucks. Many of the die-cast that come with this uniquely-planned Advent Calendar set are exclusive to this offering and had never been produced in Lionel Racing's mass or collectible product lines. Also, the colorful and holiday-themed packaging features 12 windows to be pulled open to reveal the cars and trucks each day. The front of the packaging also folds out to reveal a special winter wonderland racetrack for fans to use with their new cars.