[Semper Vaporo]

Here is one you can play "on-line":

http://www.precisionlabels.com/shunt/jg3tims0.html

 

[Semper Vaporo]

Park the couplers over a "lettered" spot and click the appropriate letter on the right. You can uncouple and then push if you want.

 

[Semper Vaporo]

Looks like I have bookmarked an old part page... try starting at:

http://www.precisionlabels.com/shunt/home.html

and follow the "Operate" menu entry on the left.