Maybe you can use them as a guide to build your
own. Most hobby shops, including Hobby Lobby
and Michaels sell scale balso and basswood
lumber that you can
use. Some Hobby shops have scale building
materials of styrene plastic that is designed to
be roofing, or side walls of various styles.
You can find very economical hobby paints
in the Walmart Craft section.
if you look on the 'net there are many templates or plans for various buildings, some free, some paid, and are normally referred to as 'cardstock' buildings ,,
these can be printed on heavier paper [complete with color / texture] or just printed out in the right size for plans to use balsa wood or styrene for the final building