LED Lights Included: Add a warm holiday glow to the completed Christmas train and winter village scene with the included LED light components. Christmas Advent Calendar Countdown: Open one of 24 numbered compartments each day and complete a festive mini build throughout December 24 Mini Builds, One Big Train Display: Enjoy each daily model separately, then combine all 24 into one large Christmas train display with tracks and accessories. Festive Christmas Train Scene: Build a locomotive, gingerbread cottage, Christmas tree wagon, sleigh, snowman, gingerbread figure, animals, gifts, and more.