read a book and maybe you will find out
Just use a large bird cage, or a rabbit cage. My rat has a rabbit cage, and she's as happy as can be. My old rat had a bird cage, and he was perfectly fine.
No. Hamster rat cage don't have enough space to pet rats. You can use Midwest Critter Nation rat cage. It has plenty of space to play and move around. You can check the reviews here- bestratpoisons. com/rat-cage-for-2-rats
A cage.
Yes
They nibble on food, fingers, and almost anything you put in their cage. You can put a wooden block in your rat's cage for them to chew on. Never put you finger in a very fiesty rat's cage or it will bite you and it will hurt. Badly.
kill the rat
make a small home for your pet rat, like a cage and put toilet rolls, a ball, you can put LOADS of things in the cage to make your rat happy.
Get the dust out his cage...
Smashing Pumpkins
since no one has answered you... I thought I would let you know my rat killed and ate my two gerbils. I let her out for a while and she found a way into the gerbil cage and she attacked them. ick. Another rat I had killed it's cage mate (rat).
It might depend on what type of rat it is or where did came from or is it vicious.
you would probably need a medium sized cage for a male rat as they are quite big. but you could get a cage with a few ladders and and a exercise wheel to keep it active.