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30 DIY Halloween Costumes For Kids & Babies For 2021

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DIY Halloween costumes for kids can be a lot of fun to create, often influenced by what your kids are loving at the time! Sometimes those requests have us in a mild panic as we contemplate how we will make their dream happen!

These kids Halloween costumes to make are sure to give you plenty of inspiration. Find costume ideas for babies, toddlers, siblings and solo dress-ups.

Diy halloween costumes for kids


Whether you are looking for an elaborate show-stopping DIY kids costume for Halloween or if you want something that will take you half an hour to throw together at the last minute, there’s something here for you!

Costumes should be fun and DIY costumes are a perfect way to have some creative fun with your kids!



I love the idea of boxtumes for Halloween and these kid-friendly options make cheap Halloween costumes that you can make using things you mostly have at home… like boxes!

Ballerina Jewellery Box Costume

This DIY Ballerina jewellery box boxtume is super cute and an easy one to create by some upcycling from things you have at home already.

Alice In Wonderland House Costume

This was my daughter’s Book Week costume with a twist on a classic with Alice stuck in the White Rabbit’s house. Find the full tutorial here.

Alice in wonderland white rabbit house costume

Doll Box Costume

Turn your child into a living doll for the day with this easy homemade Halloween costume of a doll in a box.

Lemonade & Ice Cream Stand Costumes

These shop stand DIY costumes for kids are a great option for sibling costumes or solo. They look super cute and you could create an adult version too for a family Halloween costume idea.

Poop Emoji Costume

This funny Halloween costume would work for boys or girls, turning up as their favourite emoji. This poop emoji tutorial is an easy one to recreate.

Free Kittens Boxtume

This free kittens costume is super cute and one you could put together as a last-minute Halloween costume for kids or adults.

Night Pirates House Costume

This simple Night Pirates costume would work great for Halloween or for Book week.

DIY Sleigh Stroller Costume

If you are heading out trick or treating with smaller kids in strollers, pram costumes are a great way to get the whole family involved. This sleigh stroller costume is such a cute idea!


These homemade Halloween costumes are suitable for kids of all ages with some tweaks, or you could even recreate them in an adult size if you really wanted!

Bo Peep Costume

With Toy Story 4 came a whole new look and feisty attitude for Bo Peep and that’s exactly what this costume brings. A super cute DIY Disney costume for my youngest as part of our family Toy Story costume.

Diy toy story bo peep costume

Toy Story Barbie Costume

We had so much fun doing the whole family Toy Story costume, and our eldest daughter’s costume was the easiest of them all with our DIY Barbie costume. This would work for any theme Barbie!

Toy story barbie costume

Kid’s Sugar Skull Costume

You can’t get much easier than this last-minute kid’s Halloween costume we pulled together for a kid’s Halloween party and again for a spooky school dress-up day. Some lipstick and eyeliner teamed with a very quickly made flower headband for a thrifty simple sugar skull costume. All you need is a hot glue gun, fabric flowers and a headband.

Donut Costume

Get a free pattern to sew this adorable donut costume for your little one for your next fancy dress occasion.

Marshmellow Girl Costume

This is a really cute kids costume that you could create for boys too, minus the tutu – a fun interpretation of the Marshmellow man from Ghostbusters.

Paper Mache Yoda Costume

Star Wars costumes are always a hit and this paper mache Yoda costume is really effective!

Skein of Yarn Costume

This yarn costume DIY is hilarious and sure to get attention. Love how creative this is.

DIY Prisoner Costume

This Prisoner Costume tutorial is aimed at kids, yet it would be a great Halloween costume for teens too!

Diy prisoner costume for men

Cookie Monster T-Shirt Costume

This Cookie Monster costume is an easy one to pull off with a T-shirt, a tutu and some simple craft supplies to make the headband and decorations.

No-Sew Bat Costume

No sew costumes for kids are music to many ears, since not everyone is amazing with a sewing machine! This no-sew bat costume is perfect for Halloween.

DIY Butterfly Costume

This beautiful butterfly costume would be a favourite with little girls who want to flutter the day away!

Skeleton Costume

A scary Halloween costume classic – this skeleton costume is an easy and cheap costume idea for kids using duct tape.


The only thing cuter than kids in fancy dress, is Halloween sibling costumes such as these fun DIY ideas. A great option if you have 2 or more kids and want to stick with a theme. You could even extend it to the whole family with some fun family costume ideas.

DIY Gnome Costumes

The perfect boy and girl sibling costume – these gnome costumes are so cute and simple to create too.

Family UNO Costumes

A simple last-minute costume idea for the whole family or for a group of friends, these UNO costumes can be created using a T-shirt and cut out image if you want to keep it really cheap.

Mario & Princess Peach

These Super Mario and Princess Peach costumes are adorable. If you have some little Nintendo fans, they will love this idea.

Kids Starbucks Costumes

You could create a whole family of Starbucks themed costumes with these adorable sibling costumes. Check out my adult costumes post for a few DIY adult Starbucks costume ideas too.

Basketball Team Group Costume

If you are a sporting family, this basketball team group costume is perfect. I love the hoop on the stroller!

Spooky Headless Costume For Kids

If you are looking for a scary kid’s costume for Halloween, this head in a jar costume is perfect! Or minus the jar as shown below for a headless look. Simple to do and very spooky for little boys or girls who want something more grown-up for Halloween.

Little Mermaid Costume

This DIY Little Mermaid costume is great for allowing kids to dress as their favourite mermaid, without having to worry about trying to walk in a tail. These DIY mermaid tail pants are super cute.


It can be tricky finding the perfect Halloween costumes for babies and toddlers, but these DIY options are simple and cheap to create. Cue the cuteness overload!

Classic Game Boy Costume

All the 80s and 90s kids who grew up and had a baby will love this Game Boy romper costume! Such simple retro fun!

Baby Princess Leia

While our costumes weren’t DIY, I did make this Star Wars baby costume. The Princess Leia baby beanie was a brown crochet beanie, with the buns created out of plaited wool and stitched into place. Paired with a simple white romper and pants.

Paw Patrol Baby Costume

This super cute Paw Patrol costume for babies is an adorable option on a budget and you can easily create the rest of the Paw Patrol crew for sibling costumes.

The Very Hungry Caterpillar Costume

This Very Hungry Caterpillar mother and baby costume for Halloween is so precious!

Donut costume

Unicorn Toddler Costume

This adorable unicorn toddler or baby costume is all rainbows and cuteness with a handmade headband and tutu.

Poop emoji costume diy halloween costumes for kids

You will have plenty of kid’s DIY Halloween costume inspiration with these ideas. Add your own homemade twist or get the kids involved getting creative at home to make their dream fancy dress costume together.

Want more easy costume ideas? Check out these tutorials:

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