These are Diecast metal trucks with detailed metal wheels mounted on free-rolling insulated axles

These ridges measure 25 inches long by 9 inches wide by 3 1/2 inches high

Model Number: 919002

This is a GCLaser 305 N Scale M&J Service Station - Kit (Laser-Cut Wood) 5-3/8 x 4-3/16 x 1-15/16

USA Trains R12161 G Erie Lackawanna Ultimate Series Center-Cupola Steel Caboose ProductID_12067049 These are Diecast metal trucksThis is a USA Trains R12161 G Scale Erie Lackawanna Ultimate Series Center Cupola Steel Caboose with Lights & Smoke (Oxide). This features Full Interior Detail with Brakeman Figure, Operating Smoke Unit, Battery charging circuit allows marker, lights to remain illuminated when train stops, Interior Lighting, Highly Detailed Roof with Walkways, New Caboose Style Trucks, and Metal Wheels. Condition: Factory New (C 9) Operational Status: Functional