Kae moved out of his crib about 2 years. He got a toddler bed or, as Kae called it, a big boy boat bed. In case you don't know, a toddler bed uses a crib sized mattress but doesn't have the walls of a crib. Recently I noticed that Kae was getting too tall to fit on his little mattress. So now he has moved to a twin size bed or, as he calls it, a really big boy bed. (He doesn't mean that like a really big bed, but rather that he really is a big boy now.)
Kae's nursery had an ocean theme. He had the crib bedding, rug, lamp, etc. with the cartoon fish to go with the ocean theme. When he got the new bed we took out all the cartoon ocean stuff. Kae loves his ocean room so the room is still an ocean room but a little more grown up now. He still has an ocean mural and fish hanging from the ceiling. Instead of cartoon fish drawer pulls on his dresser and cartoon bedding he now has blue drawer pulls and blue bedding.
Kae loves his really big boy room!