In 1974, Marx introduced a steam freight train set, catalog number 2905, it called The Reliable that ran on a 6 volt lantern battery and sold through discount stores. If you have one today, it’s worth more than its original retail price, even adjusted for inflation.
The Marx Reliable was part of the Great American Railroads series. It had catalog number 2905 and was sold only in 1974 and 1975.
David Farquhar is a computer security professional, entrepreneur, and author. He has written professionally about computers since 1991, so he was writing about retro computers when they were still new. He has been working in IT professionally since 1994 and has specialized in vulnerability management since 2013. He holds Security+ and CISSP certifications. Today he blogs five times a week, mostly about retro computers and retro gaming covering the time period from 1975 to 2000.