How to Design a Room That Grows Up With Your Kids Creating a children’s space that won’t be instantly outgrown is all about finding the fun in functionality. Most of us can recall our childhood bedrooms in vivid detail: When our world was small, our room was at its heart. It was where we slept, read, played, and dreamed, where we brought our friends and adventured into imaginary lands. Far from just another room in the house, our bedroom was central to our emotional and cognitive development. As Maria Montessori, the famous child-centered learning educator, aptly observed, "Adults admire their environment, but a child absorbs it."