The Protected Space | Why Children Build Forts and What It Gives Them

In England, children build dens. In the Caribbean, they construct bush houses. In homes across America, blankets become walls and chairs become architecture.

The materials change. The impulse remains familiar.

Children often seek small, enclosed spaces that feel separate from the larger room and partly under their control.

A Phenomenon That Crosses Cultures

Children build hideaways in backyards, under tables, between furniture, and from cardboard boxes.

Educational researcher David Sobel documented forts, dens, and special places across different communities. His book focuses mainly on middle childhood, especially the years from about five to twelve, and describes how children create places that carry personal meaning beyond their practical function.

The research does not prove that every child has the same need or that fort-building serves one universal purpose. It does show that self-created spaces are a recurring pattern in children's play.

Not Simply Escape

It is easy to interpret a hideaway as an attempt to escape from the world. Often, it is better understood as a way to change the environment.

A small, defined space reduces some visual input and gives the child more control over who enters, what happens inside, and how the space is used.

For some children, that can feel calming. For others, the fort is primarily a stage for energetic pretend play. The same structure may serve different purposes at different times.

The important point is not that forts are therapeutic. It is that they allow children to adjust the play environment themselves.

Why Cardboard Works So Well

Cardboard has several practical qualities that suit den-building.

It is large enough to create a boundary, light enough for an adult to move, and neutral enough to become many different things. It can be decorated, renamed, and changed without requiring the child to follow a fixed theme.

A highly themed play structure already suggests a story. A neutral cardboard structure leaves more decisions open.

This is why a cardboard castle playhouse can function as a castle one day, a shop the next, and a quiet reading space later in the week.

For more on the design difference between open and predetermined play structures, read Cardboard vs. Plastic Playhouses: What Research Shows.

Control, Ownership, and Social Learning

Children have limited control over most of the spaces around them. Adults decide where furniture goes, when activities begin, and which rooms are available.

A fort offers a small exception. Children can decide the name of the space, the rules inside it, what objects belong there, and who may enter.

When children build or decorate together, the process can also create opportunities to negotiate. They may divide roles, solve disagreements, change plans, and invent shared rules.

These social benefits are not automatic. Fort play can also create arguments about ownership and exclusion. With light adult support when needed, those conflicts can become part of learning how to communicate and compromise.

Privacy, Imagination, and Time Alone

Children need both connection and moments of privacy.

A small enclosed space can support pretend play, reading, observation, or quiet time without requiring complete isolation. The child remains close to the family while experiencing a clearer boundary around the activity.

That boundary can make imaginative play feel more convincing. Inside the fort, ordinary household space becomes a separate world.

What the Research Recommends

The American Academy of Pediatrics emphasizes play that is child-led, interactive, imaginative, and developmentally appropriate. It also recommends simple toys and everyday materials that allow children to manipulate, combine, and reinterpret objects.

Fort-building can involve planning, persistence, flexible thinking, and collaboration. It may also offer a temporary private space within a busy home.

These are possibilities, not guaranteed outcomes. The value comes from the child's active role in shaping the experience.

Giving Children a Space of Their Own

When a child enters a cardboard structure, they may be pretending, resting, drawing, reading, negotiating with a sibling, or simply enjoying a place that feels different from the rest of the room.

The adult's role is not to assign one developmental purpose to the space. It is to provide a safe environment and leave room for the child to decide what the space becomes.

Faefold was designed around that idea: a clear structure with an unfinished story. Explore the Faefold cardboard castle playhouse, read about our approach to child-led play, or learn how three-dimensional play engages the body in Learning Through the Hands.

References

This article is for general informational purposes only and is not medical, developmental, therapeutic, educational, or professional advice. Faefold is a play product, not a therapeutic or developmental treatment.

Back to blog