The dimesions are 5 x 5 or 12

Trainz Product Id: 12372743

and Keyboards expand the operation of the layout whereby joint and separate configurations can be maintained in the Central Station 3 plus for the layout areas to be controlled

Trainz Product Id: 12377522

Trainz Product Id: 12450594

Lionel 6-14065 O Gauge 463 Operating Nuclear Reactor ProductID_12181172 The dimesions are 5 xHere is a Lionel 6 14065 O Gauge 463 Operating Nuclear Reactor from 2000. With this accessory you load steel pellets in and out come glow in the dark atomic fuel pellets with a lot of flashing lights going on inside during the process. The magnetized side crane arm is used for removing metal objects from a waiting car. Once raised, the objects are loaded into a bin inside the dome where they awaited release down a chute on the front of the reactor.