Kids Unicorn Costume
Bring rainbow magic to life with a sparkly, comfortable unicorn look.
The kids unicorn costume is a whimsical favorite for Halloween, birthday parties, and everyday dress-up play. Popular for its bright colors and magical vibe, this look typically features a pastel rainbow tutu, a soft white top, and a signature golden horn headband. It is highly customizable, comfortable for active kids, and easy to put together using simple DIY methods or store-bought pieces.
- Difficulty
- Easy
- Time
- ~20 min
- Budget
- $15–45
Try it on
See yourself as Kids Unicorn
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What you need for a Kids Unicorn costume
Short on time? Buy it ready-made
Spirit Halloween sells the complete Kids Unicorn costume — one box instead of 5 pieces.
Unicorn Horn Headband
A soft headband featuring a metallic gold horn, pink-lined ears, and small silk flowers.
DIY: Roll gold glitter felt into a cone, stuff it with cotton, and glue it to a plastic headband with felt ears.
Rainbow Tutu Skirt
A fluffy, multi-layered tulle skirt in pastel pink, purple, blue, and yellow.
DIY: Tie strips of pastel pink, blue, and purple tulle onto an elastic waistband.
White Leotard or T-Shirt
A solid white long-sleeve leotard or cotton t-shirt to serve as the base.
White Leggings or Tights
Opaque white leggings or footless tights for warmth and coverage.
Sparkly Wings
Lightweight, elastic-strap fairy wings in iridescent white or pastel pink.
Rather not assemble it? See ready-made Kids Unicorn costumes at Spirit Halloween ↗
How to put it together
- 1
Put on the white long-sleeve leotard or t-shirt as the base layer.
- 2
Pull on the white leggings or tights to keep legs warm and comfortable.
- 3
Slip the pastel rainbow tutu skirt over the leggings, adjusting the waistband to sit comfortably.
- 4
Slide the elastic straps of the iridescent wings over the shoulders like a backpack.
- 5
Place the unicorn horn headband securely on top of the head, positioning it just behind the hairline.
- 6
Finish with clean white sneakers or sparkly flats.
Makeup & hair
Style hair into a high ponytail, a braided crown, or let it flow naturally. Add a touch of child-safe, biodegradable face glitter to the cheekbones for extra sparkle.
Kids Unicorn for couples, groups, kids & more
- couples
- Pair with a parent dressed as a colorful rainbow or a majestic pegasus.
- group
- Gather a group of friends to wear matching unicorn costumes in different pastel color schemes.
- kids
- This guide is specifically tailored for kids, focusing on soft, tagless fabrics and comfortable elastic waistbands.
- Plus size
- Use an elastic-waist tutu and a stretchy cotton top for a comfortable, flexible fit.
- pet
- Add a lightweight, soft plush horn headband designed for dogs or cats.
Tips
- Layer a white long-sleeve thermal shirt underneath if trick-or-treating in cold weather.
- Choose soft, fabric-wrapped headbands rather than hard plastic to prevent pinching behind the ears.
- Opt for closed-toe white sneakers so kids can run around safely and comfortably.
- Shake out the tutu before wearing to fluff up the tulle layers for maximum volume.
Kids Unicorn costume FAQ
- How can I make a quick DIY unicorn horn?
- You can roll a sheet of gold glitter cardstock or felt into a cone shape, hot glue it closed, and attach it to a simple plastic headband.
- What should my child wear under the tutu?
- Opaque white leggings, pastel tights, or bike shorts are perfect for coverage, comfort, and warmth.
- Is this costume suitable for school dress-up days?
- Yes, it is highly practical because the wings and headband can be easily removed during class time while leaving the comfortable base outfit on.
Did you know? The unicorn is the national animal of Scotland, chosen in the 15th century because of its association with purity, nobility, and untamed power.