Dual Christmas Delux Nano Express Set CS-200-A/TT/RFS Christmas Set employ unique magnetic propulsion to move tiny objects along a thin narrow track(s). Christmas tree with dual track (running train on the bottom and cars on the top) surrounded by meticulously hand wrapped color foil packages Represents a high end option includes constant and semi random speed moving vehicles and sounds such as: Christmas melodies (Away In A Manger, Carol of the Bells and Sleigh Ride) along with the Train Whistle sound. Equipped with the string of 27 Ultra Bright, Multi color Rainbow LEDs. Quality Hand Blown Glass Dome rest securely in a recess on the resin base and protects its contents from dust