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10 Unique Kids Halloween Costumes

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Looking for unique kids Halloween costumes? Discover creative and fun costume ideas that will make your child stand out on Halloween night. From solar systems to sushi rolls, we’ve got you covered!

Halloween is a time for imagination and creativity to run wild, especially when it comes to kids’ costumes. While the classics like witches, ghosts, and superheroes are always popular, there’s something truly magical about crafting a unique and one-of-a-kind costume for your child. 

Not feeling like crafting one this year (or EVER)? No problem! We’ve got some store-bought options for you to check out too! 

In this post, we’ll delve into the world of unique kids’ Halloween costumes that will not only make your child stand out but also create lasting memories. From the cosmos to culinary delights, we’ve curated a list of innovative costume ideas that are sure to spark your creativity and bring a smile to your child’s face.

children trick-or-treating with text "unique costume ideas - Splendry" - unique kids Halloween costumes


Q1: Are these costumes easy to make at home?

A1: Yes, most of these costumes can be made at home with basic crafting supplies and a little creativity. You don’t need to be a master seamstress or artist to create these unique Halloween costumes. And if DIY isn’t your thing, there’s lots of options to buy too, we made sure to include those options as well!

Q2: Are these costumes suitable for all ages?

A2: These costume ideas can be adapted for various age groups. Some may require more intricate details for older kids, while others can be simplified for younger children.

Q3: How can I make sure my child’s costume is safe to wear?

A3: Safety should always be a priority. Ensure that costumes are flame-resistant, have good visibility (especially if they involve masks), and don’t have any small parts that could be a choking hazard.

Q4: Can I personalize these costumes to match my child’s interests?

A4: Absolutely! These costume ideas are starting points. Feel free to add personal touches and details to make them even more special and reflective of your child’s interests.

Purchases made through included links may result in Splendry earning a commission at no cost to you.

10 Unique Kid’s Halloween Costumes

child holding a pumpkin trick-or-treat bucket

1. Solar System Costume

Imagine your child as the center of the universe! (OK, maybe not the best way to think of it.)

Create a costume featuring the sun at the center and the planets orbiting around them. Each planet can be represented by a different-colored balloon or foam ball attached to their outfit. This educational and visually stunning costume will surely make your child the star of the Halloween show.

Want to buy it? We like this option

2. Bubble Bath Costume

Cleanliness meets creativity in this adorable costume idea. Dress your child in a white outfit and attach inflated white balloons all over it to mimic soap bubbles. Add a shower cap, carry a rubber duck, and voila! Your child becomes the cutest bubble bath ever.

3. Mad Scientist Costume

child dressed as a mad scientist

Unleash your child’s inner Einstein with a mad scientist costume. Dress them in a lab coat, safety goggles, and rubber gloves. Add some wild, frizzy hair (you can use hair gel or a wig), carry a test tube or beakers, and use face paint to create fake burns or chemical spills on their face and hands. It’s a perfect blend of spooky and scientific.

Want to buy it? We like this option.


4. Cupcake or Ice Cream Cone Costume

Transform your little one into a delectable treat with a cupcake or ice cream cone costume. Use colored fabric, felt, or even paper to create the frosting or ice cream, and complete the look with sprinkles or cherries on top. This sweet costume is sure to satisfy everyone’s Halloween cravings.

There are some really cute options to buy too! Check out this cupcake and this ice cream cone


5. Garden Fairy or Gnome Costume

child dressed as a garden fairy

Bring the magic of the forest to Halloween with a garden fairy or gnome costume. Use flower petals, leaves, and twigs to create a whimsical outfit.

Add wings, a crown, and use face paint to give your child a magical appearance. This costume is perfect for those who love the enchanting world of fairies and gnomes.

Want the store-bought options? Check out this fairy and this gnome.

6. Rockstar Costume

Let your child rock and roll with a rockstar costume. Dress them in their trendiest clothes, give them a toy guitar or a microphone, and use temporary hair color spray to create a funky hairstyle.

Don’t forget to apply temporary tattoos or face paint for that edgy rocker look. Your little rockstar is ready to hit the Halloween stage.

This 80s rocker costume is a great store bought option too!

7. Sushi Roll Costume

Turn your child into a mouthwatering sushi roll. Use a foam tube or a pool noodle as the rice, wrap them in a fabric or paper seaweed sheet, and add felt or foam fish pieces as toppings. Complete the look with a soy sauce headband. This costume is a delightful blend of creativity and culinary fun.

Store-bought route? We got you.


8. Paper Doll Costume

Remember playing with paper dolls as a child? Recreate that nostalgia by turning your child into a life-size paper doll. Cut out a large piece of cardboard or foam board in the shape of your child and decorate it with clothes, accessories, and even a face that your child can “wear” by standing in the cutout. It’s a unique twist on a classic childhood pastime.

This store-bought option is adorable too! 

9. Upcycled Robot Costume

Get eco-friendly and creative by making a robot costume from upcycled materials. Raid your recycling bin for cardboard boxes, old electronic parts (safely disconnected), and colorful bottle caps.

Paint and decorate the cardboard pieces to create a robot body, and attach the electronic parts and bottle caps as buttons and knobs. Your child will be a “green” robot with a unique twist.

Want to buy a robot costume instead? We like this one


10. Toy Block Costume

Bring the world of building blocks to life with a toy block costume. Create a box-shaped costume out of cardboard or foam, decorate it to resemble your child’s favorite building blocks, and cut out armholes and a hole for their face. It’s a fun and interactive costume that celebrates creativity and play.

Find a store-bought LEGO costume here

Halloween is a time for kids to let their imaginations run wild, and what better way to do that than with a unique and creative costume? From the vastness of space to the deliciousness of sushi, these costume ideas offer a wide range of options to make this Halloween truly special for your child.

Halloween toys and treats - unique kids Halloween costumes So, grab your crafting supplies, unleash your creativity (or just hit “purchase”!), and watch your child light up with excitement as they become the star of the show in their one-of-a-kind costume. Happy Halloween!

Looking for some more unique kids Halloween costumes? Check out our roundup of awesome group costume ideas!

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