this is what was on my workbench yesterday.

I had a K-line Hopper car with a broken door that I fixed with some really fine cardboard, painted it black, hot glued in place and then put some coal in in the hopper car.

Note 
Just got four of them.

 Pictures here  http://ogrforum.ogaugerr.com/topic/fixing-a-k-line-hopper-car