Long story short, I promised my five year old girl that I would buy her a pet mouse, hamster, or rat. She is heavily leaning towards the mouse, but may still be swayed. Do any of you know the pros/cons for each type of rodent? Also, do you have any cage recomendations or any other advice? For example, I was told that mice smell a lot, rats smell a little, and that hamsters don't smell at all (refering to the actual rodent and not their dirty cage). As far as cages go, I've always like the plastic ones with all of the tubes, but I'm not sure if rats are too big for them or if mice are too small. Also, is one type of rodent more prone to biting than another? Thanks for all of your input in advance!