I'm looking for an interesting small pet to watch and maybe take out of the cage. Any suggestions?
Brankica:
I would definitely go with a parakeet or guinea pigs.
Parakeet is very friendly and you can keep one, if you plan to spend time with him.
There is a lot of great advice about them on this site and you can start at budgie parakeets page.
If you prefer fluffy animals over birds you can read about guinea pigs as pets.
If you decide to have a guinea pig, you should definitely get a pair of them.