Modeled HO scale trains in the 1970s. Came back to the hobby after 6 kids, 45 years, and a deployment to Afghanistan. Dusted off the 1970 era Tyco collection and never looked back. It is a solid anchor in a crazy world. My little Engineers (5 , 7 and 13) and I are restoring a 1950 era 6x8 layout built by a father and son a generation before. The layout was built following a 1958 Kalmbach book "The HO Railroad that Grows." by Lin Westcott. I have learned much in the process, such as 'You can never have to many Locomotives.", "All the fun things in the Walthers catalogs cost real money", and my personal favorite "Dad! give me back my toy cars!