thanks for the help,much appreciated

hello,1 is a bachmann n-scale,J 4-8-4,another is a bachmann n scale 2-8-0,it is the right rear wheel of the 8 center wheels that comes out,thanks

hello all,ihave some n scale steam engines i purchased 6 or 7 years ago,i heve only used each a few times,the rear wheels keep falling off,the wheel comes out with a stem attached,has anyone had this problem?,any help would be greatly appreciated,thanks

thanks 

hello all ,i have a g scale coaling station,#1957,the brocher reads g scale but it looks more like o scale,how can i confirm what guage it is?,thanks