THIS IS A LIONEL 25446 SANTA FE RED-STRIPE ALUMINUM TWO PACK ADD ON SET. FEATURES: Stamped Metal Frame Interior Lighting Window Silhouettes Die-cast Metal Trucks Gauge: Traditional O Gauge Dimensions: Single Car Length: approx. 15" 2-pack Length: approx. 30" RailLine: SANTA FE Minimum Curve: O-31 NEW IN THE BOX THANKS FOR SHOPPING HERE WITH USLionel