8-1/8 x 5-3/16 x 6-1/2" 3.2 x 12.9 x 16.2cm (Height w/Smokestack) Great Accessory for Modern Roundhouse #933-3260 * Build As Attached or Freestanding Building * Includes Boiler House with Stack * Doors Can Be Built Open or Closed * Baseplate Slots Accept Popular Rail Sizes