I'd like to share my Sankei 1/144 (sometimes reported as N gauge - 1/150 scale) Control Tower which I built in one afternoon with great fun. It is an all paper model (except clear rhodoid for windows) which I bought recently at the All Japan Hobby Show. I built it using several sorts of glues, including PVA glue, superglue, and epoxy. Although only PVA glue could be used, construction would then take much longer. I added the "C" on a yellow panel to hide some nasty glue leaks left at a corner.
This is a quick build, interesting, and realistic background item for model photography, even for 1/72 models. I added some Kato 1/144 railroad figures (also from Japan), and a couple of Noch HO figures for the 1/72 model besides (see the SNCAN Norecrin picture). Cheers!