Random and super late - but I was looking for cages as well and stumbled across this: https://www.amazon.com/Topeakmart-Rolling-Gliders-Squirrels-Detachable/dp/B09N8SNC8F/ref=sr\_1\_24?crid=2OV1CD1Z1K6CG&keywords=rat+cage&qid=1680043433&sprefix=%2Caps%2C103&sr=8-24&ufe=app\_do%3Aamzn1.fos.f5122f16-c3e8-4386-bf32-63e904010ad0