For Sale on eBay: http://r.ebay.com/AsQkZU
My HO scale train setup. Its a complex layout with ability to run multiple trains simultaneously. I have it hanging from ceiling of my basement. I pull it down when needed and pull up when I am watching movies in my home cinema.
View part 2 with train switching tracks at: https://youtu.be/xvsWUQ8RmQk