Remaking of the Ridley Keystone & Mountain

[tompm]

Hi Tom---I've been following your progress from the start---great work all around.I'm curious about those yellow supports/spacers that you have been using during construction to keep walls square---are they available for sale ?

Here they are. Bachmann lists them for $75 on their website but I got them at Midwest Model Railroad.
https://midwestmodelrr.com/product/bac39009/