This product is a set of 4 N Gauge trains including 2 engines and 2 cars, made by Trix in Western Germany. Trix is a well-known brand in the model railroad industry, known for producing high-quality trains. The N Gauge scale adds to the authenticity and detail of the locomotives, making it a desirable collector's item for hobbyists and enthusiasts. The set is sure to provide hours of enjoyment for those who appreciate model railroads and trains. The engines have not been tested.