The product is a collection of 6 vintage Railway Modeller 'Shows You How' booklets from Era 6 - British Rail (1967-1971). These booklets were produced by the Railway Modeller brand, known for providing guidance and inspiration for model railway enthusiasts in the United Kingdom. Each booklet likely includes detailed instructions, diagrams, and tips for building and improving model railways, making them a valuable resource for collectors and hobbyists interested in British railway history and modelling.