Kitchen room

One of the things about having children is that they point out the things in life that seem normal as an adult but are really silly.
The other day Ellie said something was in the kitchen room.   I told her it was the kitchen not the kitchen room and she told me no it was kitchen room.  When I thought about it, it really made more since her way.  I mean we have bedrooms, living rooms, bathrooms, dining rooms so why not kitchen rooms?