I have a robo hamster named Cove whose sand area has just been upgraded since I heard robo hamster cages need to be 1/3 sand and i've had a lot of time on my hands during the lockdown. Not exactly 1/3 of the cage, since she lives in a detolf, but close enough. She loved it anyway. What else can I do with her cage? Has anyone else done any upgrades with their hamster cage?