How to Build a Cardboard Box Fort

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How to Build a Cardboard Box Fort

Once upon a time, appliance stores provided gigantic boxes that were perfect for making huge forts. Modern fort builders usually have to resort to more resourceful and creative techniques. After collecting an assortment of cardboard boxes, fort builders can tape them together and decorate to create 21st century forts that extend across gardens, fill up garages, or even meander through rooms on a rainy day.


Construction Equipment

Any serious builder needs the tools of the trade. When building box forts, those tools include items for cutting, assembling, and even decorating.




Utility Knife

Creates doors, windows, battlements, and slits for shooting

Sometimes helps boxes fit together

New, sharp blades are best for box cutting

Parcel Tape

Connects boxes

Covers exposed edges to prevent cuts and scrapes

Comes in fun colours

Gaffer Tape

For the most essential sturdy connections

Craft Supplies

Decorates the fort

Marks a name above the door


Parents should do all the cutting, but kids can use the markers to indicate where they want doors and windows. Some boxes, such as those from fruit markets, may already have openings that can serve as skylights or windows.


Gather the Right Number of Boxes

'Too many boxes' is rarely an issue when building a cardboard box fort. Some extra-large boxes fasten together to make a central chamber for councils of war. Large cardboard boxes taped together open-end to open-end make tunnels long enough to keep enemies from entering undetected. Additional used cardboard boxes taped together vertically simulate a watch tower. The box from a flat screen TV provides a good section of roofing between two chambers or towers to create a covered courtyard. Free cardboard boxes are often available through various sources, including friends and relatives who recently moved.


Designing a Cardboard Box Fort

Most children free-style fort designs and build forts from boxes in the same way they build block towers. If a child's fort collapses, he or she actually learns some science while contemplating the devastation. Tender-hearted children may need encouragement and assistance to build again. If parents build forts for children's parties, they need to incorporate safe building practices to ensure children can see each other as they move through the forts. Otherwise, bumps and bruises could occur.

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