Kritter Koncepts does have a kit that modifies Midwest cages. It makes the cages 2 levels with shelves on each level and comes with a trap door in case 2 seperate cages are needed. For more information you can go to <[log in to unmask]>. Also would someone please send me Bob C"s email address and thanks to all the people that sent me info on the Ferret Angles I asked about awhile back. Hope eveyone has a good Christmas Stan Stachyra <[log in to unmask]> [Posted in FML issue 3618]