How to Build a Blanket Fort: A Step-by-Step Guide for Kids and Parents

A blanket fort turns an ordinary evening into an adventure. It needs no special equipment, kids can help with every step, and it can become a castle, a rocket or a submarine in an instant. Here’s how to build a blanket fort that actually stays up.

What you need

• 2-4 chairs with backs (dining chairs work best)
• 1-2 big blankets or flat sheets for the roof (lightweight ones sag less)
• Clothes pins or binder clips to hold everything together
• Pillows and cushions for the floor and walls
• Battery fairy lights or a flashlight for the cozy glow
• Optional: a broom handle or a tension rod for a taller middle

Step 1: Pick your spot

Choose a space next to a sofa, a bed or a wall so you only need to build three sides. Keep it away from lamps and heaters.

Step 2: Build the frame

Place two chairs back to back, about a blanket’s width apart. For a bigger fort, add two more chairs to make a rectangle. Turn the chair backs toward the inside so the blanket can drape over them.

Step 3: Add the roof

Throw the lightest sheet over the chair backs. Clip it to each chair with clothes pins so it can’t slide off. If the middle sags, prop it up with a broom handle wedged between two cushions.

Step 4: Make the walls

Drape heavier blankets over the sides and let them hang to the floor. Leave one side open as the door, or clip a blanket like a curtain you can pull aside.

Step 5: Make it cozy

Fill the floor with pillows, a quilt and a few soft toys. String battery fairy lights along the roof and inside the walls.

Step 6: Add a flag

Every fort needs a flag. Let kids draw one on paper, tape it to a pencil or a straw and stick it on top.

What to do inside a blanket fort

• Read by flashlight. It’s the classic for a reason.
• Have a fort picnic with crackers, fruit and a cup of milk.
• Pretend play. The fort can be a castle, a spaceship, a submarine or a bear cave. Let kids decide.
• Shadow puppets with the flashlight on the fort wall.
• Color together. In our story coloring book Blanket Fort, three kittens build a fort just like yours, and it becomes a castle, a rocket to the Moon and a submarine. Coloring it inside a real fort is the perfect match.

Safety tips

• Use only battery-powered lights, never lamps or candles, inside a fort.
• Keep heavy objects off the roof.
• Make sure there’s always an easy way out, especially for little ones.

Clean-up made easy

Turn tidying up into part of the game: the “mission control” (that’s you) announces the fort is landing, and everyone carries pillows and blankets back to their “hangar.” Then the fort can come back tomorrow night.