Create Your Own Cardboard Castle

This super simple cardboard castle is so easy to make. It's perfect for kids, and it makes a great indoor activity for all children!

If you’ve got a child with any sort of imagination, you’ve probably experienced them imagining themselves as a Prince or Princess. They love to play make-believe, and because there are so many stories, films and TV shows about royalty and knights, they often imitate what they see and here. And if your kids are anything like mine, they’re always asking for a cool castle to play with. Of course, you could go to a toy store and buy one, or you could go through your recyclables to find supplies to make your own!

This is a truly fun craft to do with your kids, as it’s simple to make, and you can let them decorate them however they wish!

cardboard castle craft


  • Cardboard box that is approx. 9” x 11”
  • 4 toilet paper rolls
  • Piece of heavyweight paper
  • Glue gun
  • Scissors
  • Exacto knife
  • Pencil
  • Craft paint in brown, gray, blue
  • Paint brushes
  • String


Lay your box upside down with the flaps folded outward.

Cardboard box

Cut 3 of the flaps off with the exacto knife leaving one flap connected on a long side of the box.

Take the flap that you cut off from the long side and cut a piece that is 3 inches tall. Then, use the ruler and the pencil to measure and mark one inch sections across the cardboard. Then add a pencil line across the cardboard that is about ¾” below the 1 inch measurements.

measuring cardboard

Use the scissors or exacto knife to cut the top of the castle wall using the 1 inch marks on the cardboard (as shown). Then, fold the cardboard piece in half. On each side of the bottom of the cardboard piece, measure 1” in and 1” up and make a cut at each side.

cut piece of cardboard

Where the front flap meets the box, measure a 2 ¾” wide and 3 ½” tall rectangle in the center of the box. Use the exacto knife to cut this out.  On the flap that is sticking out, make the same measurements so that it looks as though the drawbridge was lowered (as shown in the photos).

beginning stages of cardboard castle

Use the glue gun to glue the two small end flaps to the front, top of the box and the longer piece to the top of the box (as shown).

Use the glue gun to attach the toilet paper tubes to each of the four corners on top of the box.

a cardboard castle being built

Use your paints to decorate the castle. Paint the castle grey. On the front flap, paint the drawbridge brown and the water (on either side of the drawbridge) blue.

cardboard castle

Make 4 cones from the heavyweight paper that are about 3 inches tall. (You can make a semi-circle that is 5 1/2 “ along the bottom and 3” tall in the middle. Bend this in half and use the glue to secure the two straight ends together.) Use little bots of glue to secure these to the tops of the toilet paper tubes.

paper folded into a cone

Use two pieces of string attached to both sides of the opening and the drawbridge to look like the chains use to raise and lower it. You can cut four small squares from the extra cardboard and attach them with glue to cover the ends of the string.

cardboard castle moat and gate

TIP: You can cut the back out of the box if kids want to more easily move their action figures in and out of the castle.

cardboard castle

There you have it! A super fun and simple Cardboard Castle Craft for your kids to enjoy. Remember you can make it super fancy if you want, but this gives you the basics for making yourself a truly cute castle.

See some of my other cardboard play set ideas below.

Simple and Fun DIY Cardboard Car Wash Toddler Playset for Hot Wheels
paper campsite playset
DIY Upcycled Toy Car Repair Garage
Toilet Paper Roll Minecraft Kids' Desk Organizer


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Katie Reed

Katie Reed

Katie Reed is a 38 year old mom blogger from Salt Lake City, UT. She is married to the man of her dreams and together they have four beautiful boys. Dexter is 9, Daniel is 7, Chester is 5 and Wilder is 2. She writes about living with mental health issues while navigating motherhood. Her blog focuses on tips and tricks for moms, information and parenting news, kid-friendly recipes and crafts. She loves to reflect on the humorous side of parenthood and shares the reality of her life, with a "warts and all" attitude.

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