All parts will normally ship by US Mail. Shipping shown for each part during Order Checkout will be manually adjusted to show correct shipping and handling charge when order is processed by RMT. O GAUGE ROLLERS (SET of 4) $50.00 TRANSMISSION TOWER (Set of 2) $48.00 BEEP Diesel parts Check part numbers carefully BEEP GP-7 Circuit Board Upgrade Kit BEEP GP-7 Rubber Traction Tires DEPRESSED CENTER FLATCAR Parts Check part numbers carefully DEPR FLAT Large Tank with metal cradle DEPR FLAT Missle with metal supports DEPR FLAT Brakewheel/Post Set of 2