Here is a Lionel 6-36128 O Gauge Texas & Pacific 3-Dome Tank Car

but most commonly used in O scale

Here is a Bowser 24048 HO Kansas City Southern EMD F7A Diesel Locomotive #4057

Model Number: 303

This is a Faller Gmbh 282791 Z Park Accessories Decorate your neighborhood park or village green with this detail set

USA Trains R18520 G Denver & Rio Grande Western Power & Light Car w/ Sound ProductID_11449475 Here is a Lionel 6-36128This is a USA Trains 18520 G Denver & Rio Grande Western Power & Light Car w Sound. Generate excitement anywhere along your railroad with this neat model. Features the sounds of an idling diesel engine, along with the flickering strobe light. When track power is increased, the engine speed and flash rate of the light also grow stronger. Condition: Factory New (C 9) Operational Status: Functional Original Box: Yes (P 9) Manufacturer: USA Trains Model