Untested-this was my father's since the 60's. Last used it worked (25 years ago) but I can't confirm. There are a few tracks that are bent, but included incase u want to repair. I have another listing with some of the original cars.
Lionel O27 gauge model train track set The collection features a Type 1043 50-watt transformer, a No. 96C control switch, and manual pair switches for electric trains. Included are numerous track sections, two 90-degree crossings, and a manual switch track. Some items come with their original vintage packaging, showing the classic Sakai and Lionel branding.

Brand: Lionel
Gauge: O27
Power: 50 Watts
Voltage: 8-17 Volts
Transformer Type: 1043
Control Switch: No. 96C
Components: Curves, Straights, Crossings, Switches
Era: Vintage Postwar
Origin: USA / Japan

Keywords: Toy Trains, Model Railroading, Lionel, Train Track Lot, O Scale, Electric Rail, Railway Layout, Mid Century Play, Replacement Parts, Expansion Pack, Vintage Hobby, Metal Track, Sakai Japan