Athearn SW 1500 fly wheels and hex drive runs very smooth. Is equipped with Kadee couplers. The caboose is a Bowser wide vision steel sides. Caboose rides on intermountain steel wheels also has Kadee couplers. Very nice custom paint and decal job caboose also has red flashing light mounted on back with a on/off switch mounted on the bottom of the caboose. Shipping will be USPS ground advantage.