These are great for your begining railroaders, but if you would like to do something more advanced than I would modify them to fit your taste.
I currently have a straight section and a corner section in my basement and would like to hear others experiences with using these. They are not that difficult to put together and they d the job but I have yet to see a review of these items or a decsription of a layout built using both the foam based product itself or of the supporting benchwork that comes separately.
Irv