What type of paint in nursery for murals?

Girls Is there a particular type of paint that you have to use for a nursery, bulk of room be ordinary paint but friend going to do few small murals and wondering what paint is safe ? Wud it be paints like what used to use in school?

Princess08 - just wondering if you got an answer to your query ? I'd like to have a mural painted too and would be keen to know. Thanks