Hi everyone, I just moved and built my 9 ferrets an open air cage. It is complete with 2 bathroom corners, an auto feeder, a filtered water fountain, and a cat tree.

I don't have a lot of free time so I want to add more to keep my kiddos entertained when im away. Any suggestions on what to add?

General safety information - I have ordered 2 smaller cat trees to prevent fall and jumping escape risk, which will replace the current one. I let them out when I am home if I verified they used the potty first, the rest of my home is ferret safe. They get a full cage clean one a day and bi weekly bedding cleaning. They are never alone for more than 10 hours at a time. They have been in this cage for 1 week now and there haven't been any issues other than escape attempts via jumping from the tree to the ledge (which is why I ordered a smaller tree). The auto feeder and water fountain is watched via a furbo to insure its not empty, the furbo also watches the ferrets too. The cage is built out of cinderblocks, the wood is redwood fencing.