These are traditional O Gauge and are 5-7/8 tall

This is Athearn G22532 HO F3A

Model Number: 20-20478-1

This is a Accurail 80769 HO ATSF Santa Fe 50-Ton Offset Twin Hopper Kit #180854

The Trainz SKU for this item is P11449795

American Flyer 6-48378 S Gauge Illinois Central Boxcar #400664 ProductID_12106751 These are traditional O GaugeHere is an American Flyer 6 48378 S Gauge Illinois Central Boxcar #400664. Features Diecast metal trucks and operating couplers, Metal frame, and Opening doors. Gauge: American Flyer S Gauge Dimensions: Length: 8 3 8 RailLine: Illinois Central Condition: Factory New (C 9) Operational Status: Functional Original Box: Yes (P 9) Manufacturer: American Flyer Model Number: 6 48378 Road Name: Illinois Central (IC) MSRP: $69. 99 Scale Era: S Modern Model