Here is a Walthers 932-7521 HO Scale C&O Wood Caboose #90776

they have everything

This is a Trident Miniatures 87090 HO Modern US Army Stryker ICV Armored Fighting Vehicles M1126 Infantry Carrier Vehicle

Here is a MTH 20-2815-3 CSX SD50 Diesel Engine (Non-Powered)

Tsunami sound & DCC

MTH 30-74610 O Gauge Caterpillar 40' Double Door Box Car #202010 ProductID_12380676 Here is a Walthers 932-7521The main features of this item are Intricately Detailed Durable ABS Body, Metal Wheels and Axles, Diecast 4 Wheel Trucks, Operating Diecast Metal Couplers, Colorful, Attractive Paint Schemes, Opening Car Doors, Decorative Brake Wheels, Fast Angle Wheel Sets, Needle Point Axle, Unit Measures: 11 1 2 x 2 1 2 x 3 7 16, Operates On O 31 Curve Condition: Factory New (C 9) Operational Status: Functional Original Box: Yes (P 9) Manufacturer: MTH Model