and with a transfer table and several of these extensions you can design a huge yard with multiple tracks

These walls are made out of Hydrocal plaster

Trainz Product Id: 12422376

The Trainz SKU for this item is P12036970

fuel tank with brackets

Lionel 6-85051 Electro-Motive Legacy SD70ACe Diesel Locomotive Bluetooth #1201 ProductID_11822832 and with a transfer tableThis is a Lionel 6 85051 O Electro Motive BTO SD70ACe Diesel #1201. LEGACY Control System equipped able to run in LEGACY Control mode, in TrainMaster Command Control mode, or in Conventional mode with a standard transformer. Bluetooth Control Operate with Universal Remote or LionChief App. Odyssey II Speed Control with On Off switch. This locomotive features plastic body construction with a motor, operating knuckle couplers, metal wheels and axles.