How to Make a Unicorn Horn

You can easily craft a unicorn horn for a costume, party decoration, or just for fun! This easy craft is fun to make and a great activity to do with a child. Whether you want to make a paper horn, a party hat horn, or a foam horn headband, you will be able to easily create a fabulous unicorn horn.

Method 1

Method 1 of 3:

Crafting a Horn From Paper

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1
Get heavy weight paper. To make a unicorn horn, you will need piece of thick, heavy weight paper. Cardstock or a thick scrapbooking paper would be best.
- You can use decorative paper to make your horn unique.
Draw a large triangle with a rounded bottom on the paper. Cut along the outline of the triangle. Then, cut the tip off of the top of the triangle so it has a flat top.^{[1]XResearch source}
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3
Roll the paper into a cone. Start on one side of the triangle and roll it towards the other side, making the triangle form a cone. Tape the outer edge of the cone to secure it. Then, put a piece of tape on the edge of the paper in the inside of the cone to give it extra stability.
- Try to keep the base of the cone about the size of a milk jug’s top to make it look like a horn.
Use a hot glue gun to glue a ribbon or piece of elastic to the base of the horn. Glue one side of the ribbon to the inside of one side of the horn, then repeat with the other side.
5
Decorate your unicorn horn. You can decorate your unicorn horn to add finishing touches and make it unique. Be creative and express yourself! There are many different things you can use to decorate your horn.
- Paint
- Ribbons
- Glitter
- Stickers
- Markers or crayons

Method 2

Method 2 of 3:

Turning a Party Hat into a Horn

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You need a party hat that is made from lightweight cardboard to make a unicorn horn. You can find them at your local party store and some grocery stores.^{[2]XResearch source}
2
Undo the party hat. Find out where the hat is connected, and undo it so you can roll it out flat. If the party hat is taped, remove the tape or gently cut the tape to undo it. If the hat is glued together, carefully use scissors to separate it. Then, unroll the party hat out flat.
- Keep the elastic attached to the hat
To make the horn, you need to roll the hat up again, but roll it tighter than it was before. Start with one side of the party hat, and roll it towards the other side creating a tighter roll. Keep rolling until you have a nice tight cone shape.
Use tape to secure the hat into the horn shape. Use a hot glue gun, or put several pieces of tape on the outer edge of the party hat to secure it to the hat.^{[3]XResearch source}
Put the base of the horn on top of your forehead and pull the elastic over the back of your head to wear your new unicorn horn.^{[4]XResearch source}

Method 3

Method 3 of 3:

Making a Foam Horn Headband

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1
Get a piece of 9”x12” foam sheet. You need large foam sheets to make a foam unicorn headband. You can get them from your local craft store or buy them online.^{[5]XResearch source}
- Self-adhesive foam sheets work well for this project.
On the back side of the foam sheet, use a ruler to draw a diagonal line from the bottom left corner up to one inch inside the top right corner.^{[6]XResearch source}
Use scissors to cut along the line you’ve just drawn. You will end up with a shape that looks like a triangle with one corner that’s flat.
Start with the bottom left corner of the foam and roll it towards the bottom right corner to form the cone. Continue rolling until the top corner is completely rolled around the cone.^{[7]XResearch source}
Use hot glue to glue the top corner down onto the cone to secure the cone in place. You can also put some glue on the inside to hold the bottom of the cone in place.
Use scissors to trim the bottom of the cone so that it is even and can stand up flat on a table.
Use scissors to make snips up ¼ inch from the bottom of the cone. Snip every ½ inch around the bottom of the cone to create fringe.
Use the leftover foam you have to cut a circle that is ½ inch larger in diameter than the bottom of the cone.
Get a plastic headband to glue your horn to. Use a hot glue gun to glue the foam circle to the bottom of the center of the headband. Then, put the cone on the top of the headband directly above the foam circle. Glue the cone onto the circle by gluing each piece of fringe onto the foam circle.
10
Add embellishments. Make your unicorn horn headband unique by adding embellishments onto the horn. Use your imagination and make it yours.
- Add jewels to the horn and headband.
- Glue ribbons to flow down from the top of the horn.
- Use glitter glue to add designs to the horn.

Community Q&A

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Question
Can I use construction paper?
Community Answer
You could, but the horn might get ripped or crushed so you should use cardstock or another thick paper instead.
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Question
Will cardboard paper work for this, too?
Community Answer
Yes. It is better to use than regular paper because it is strong.
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Question
Would I tape the paper one to a headband?
Community Answer
Yes. Also, customize your horn with paint. Invest in good quality materials, as they last far longer. I would recommend Artists Loft.
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Tips

Measure your head first before cutting ribbon or elastic for the horn.
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Decide how big you want your horn before making it. You can make larger horns from larger pieces of paper or foam.
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Stuff paper or fluff into the cone to make the horn hold its shape better.
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