stand alone well car kits

Please someone tell me where to get some walthers stand alone well car kits, at a good price. My number one source National Hobby Supply's phone lines has been disconnected . I need these cars for a model railroad outing. Help!!!

 

Try Trainworld (800)541-7010 or Trainquest: (888)777-2258.

 

I already tried trainworld and said that they only carry thier passenger cars

 

The Thrall car:

http://www.internettrains.com/932-70dswc10h.html

They appear to only have undecs 8.48

The Gunderson car:

http://www.internettrains.com/932-69apds15h.html

Undec or CRLE 12.73