You've inspired me...
In 1962, my parents bought me a Lionel set from Macy's for Christmas. It was one of many presents that my Father, out of the goodness of his heart, really bought more for himself than for me, because I was all over H-O racecars at that point with no interest whatsoever in trains, unfortunately for both of us. He tried assembling the thing for me but I remember there was some problem with it, something was defective but I can't remember what. He said he was going to take in back to Macy's but, of course, never did as my Father hated wasting his time either haggling or bothering with returns, even if it cost him money. It was packed away into a box and has remained there since. It was one of the only valuable collectible things that weren't thrown away during one of his "I have to simplify my life, so I'll throw out everybody else's junk" phases. I think now I will unpack it and display it the way you have. Those trains look glorious.