N Scale Tower Top with stairs and a platform for Distributor access. The section measures 10'x10'x20' tall. Stack on top of other sections with stairs:
https://www.shapeways.com/product/TYGBJEN47/n-scale-10-ft-x-10-ft-x-20-ft-tower-with-stair
Hint: Soak in Bestine overnight prior to painting. Not intended for children 14 years of age or younger.