Universal LEDs are specifically designed to run on any track power

The Trainz SKU for this item is P12332934

they're usable in several scales depending on whether you want large or small signs

Here is a Bridgewerks 15SR 15 Amp Magnum 1 Track Power Pack Controller

Model Number: 09836

Walthers 932-3761 Southern Pacific 54' GSC Flatcar Kit #700045 ProductID_12106686 Universal LEDs are specifically designedHere is a Walthers 932 3761 HO Southern Pacific 54' GSC Flatcar Kit #700045. Features include plastic pieces for construction and instructions included. Condition: Factory New (C 9) Operational Status: Functional Original Box: Yes (P 9) Manufacturer: Walthers Model Number: 932 3761 Road Name: Southern Pacific (SP) MSRP: $21. 99 Scale Era: HO Scale Model Type: Freight Cars The Trainz SKU for this item is P11568390. Trainz Product Id: 11568390