Party Unicorn Decoration

Party Unicorn Decoration From Polystyrene

Step by step instructions on how to make a polystyrene unicorn decoration. An excellent decoration for birthday parties and other events.

Learn how to make a polystyrene unicorn decoration for birthday parties. A decoration easy to make with only a few supplies. You will need a hot wire cutter to make it. If you don’t have one, you can read the article about how to make a hot wire foam cutter.

How To Make A Party Unicorn Decoration

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Printing The Unicorn

You will need a printer with A4 size paper or similar. I downloaded the image from Then I used Poster It to create the poster of the image. Print the images and tape them together to create the image.

Printing The Unicorn Image

Tracing The Image

Place the poster on the polystyrene, and with a pin needle start tracing. Double check once you finished, and make sure you got it right. For the next step, simply draw with a black marker over the traced lines.

Tracing The Unicorn Image
Drawing The Unicorn On Polystyrene

Cutting The Unicorn Shape

If you have a hot wire foam cutter, just follow the video. If you don’t have one, try using a sharp cutter. It will be a little difficult though. Or simply buy the one I would recommend, as it will be useful in many crafts projects.

Cutting The Polystyrene Unicorn

Painting The Unicorn Decoration

Start by painting the unicorn shape with white primer ( acrylic paint ). When the primer dried, then you can continue painting the colors.

Painting The Unicorn With Primer

Paint the unicorn shape in the desired colors. Be creative and pick some happy colors, kids love them. Let the paint dry well before applying the next layer. The paint I always love to use and I’m happy about it’s the patio paint from DecoArt.

Painting And Coloring The Unicorn Decoration

For the black contour, you can also use a black paint marker. The paint marker usually melts the polystyrene. Used on top of the paint, never created any issues though. It’s a lot easier and faster.

Tracing The Unicorn Margins Using A Sharpie

Finishing The Decoration

Paint the decoration really quick with the mix of 50% white glue and 50% water. Sprinkle white glitter all over it. Let it dry well, and your party unicorn decoration it’s ready.

Finishing The Unicorn Decoration
Decorating The Unicorn With Glitter

Video Tutorial

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