Tyco Us1 trucking accessories set

Only few weeks ago i bought an original set of tyco US1 trucking new in box release in the begin of '80.

http://japan-hobby.blogspot.it/2014/05/tyco-us1-trucking-slot-track.html

Now i added these nice operationg sites. They are:

-  Log loading bulldozer
-  Auto loader
-  Auto unloader

They are in new conditions. They are some of the platform released by Tyco for a bigger US1 track. They are incredible toys for the age when they has been released.