thanks Vhubbard. I don't have any knowledge of how the doors are supposed to fit but it would seem kind of hard to alter the height of them. But I will do as you suggest and check out some others, not that there's anything I can about mine even if they are low.
I'm looking forward to setting up this year's Christmas layout on which I plan to use the milk platform. It will be the first time that I'll be trying to use it.
As always, thanks everyone that pitched in with ideas - Walt