Some cool pics with Ollie Johnston running his backyard railroad for his and the Thomas kids from next door. Approximately late 1940s.
Ollie never outgrew his fascination for model trains. Even late in life he enjoyed having people over for a ride around his property. From Ted Thomas' documentary Growing Up with Nine Old Men.
Here is a previous post on Ollie's backyard train:
https://andreasdeja.blogspot.com/2014/11/more-ollie.html