The Dream-Plan-Build Model Railroaders DVD Lot includes 12 volumes in total, providing a comprehensive guide for model railroaders to learn and improve their skills. Each DVD is tested and confirmed to work, ensuring a smooth and enjoyable viewing experience for enthusiasts looking to expand their knowledge and craftsmanship in the world of model railroads. Whether you're a beginner or an experienced model railroader, this collection offers valuable insights and inspiration for creating your own miniature train wonderland.