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Best Halloween costumes for children

If you're running short on spooky inspiration this year, we've got costume ideas ranging from quick and easy to all-out Halloween extravaganzas

By Mumsnet HQ | Last updated Jul 14, 2021

Children wearing Halloween costumes

1. Pumpkin fancy dress, £14

Pumpkin Halloween kids costume

“Toddlers make very cute pumpkins.”

This pumpkin costume – with matching hat for added cuteness – can be popped on top of plain black clothes for an easy and comfortable Halloween outfit. This one comes in sizes ranging from 18 months to four years.


2. Mummy costume, £17.99

Mummy kids' Halloween costume

Featuring a cool mummy print, this hooded top and joggers set in sweatshirt fabric will basically feel like wearing pyjamas (do they come in adult sizes?). The joggers even have pockets – perfect for stashing some of those trick-or-treating goodies. It's also available in a skeleton design, ideal if you've got two kids to keep warm while they're grabbing fistfuls of sweets spooking the neighbours.

3. Dragon onesie, from £16.99

Dragon kids' Halloween costume

This dragon onesie makes for an easy, last-minute costume that can always be recycled for fancy dress parties throughout the year – a solid investment.

4. Black cat costume, from £11

Cat kids' Halloween costume

Halloween doesn't have to be all about gore and fake blood. This elegant pink and black dress (including a matching headband with cat ears) is perfect for kids who want to trick-or-treat in style.

5. Witch costume, £9.72

Kids' witch Halloween costume

“My daughter loves dressing up like a witch!”

This witch's dress and pointed hat make for a perfect costume for a Halloween party, just add a broomstick to complete the look. Plus, thanks to The Worst Witch and the Wicked Witch of the West, this costume could easily double up for World Book Day, so you're sure to get some wear out of it.

6. Ghost cape, £7.99

Ghost Halloween costume for kids

Perfect for children who don't like restrictive costumes, this ghost costume is easy to move in and can be simply slipped over their coat, so you'll be out for trick-or-treating in no time with minimal complaints fuss.

7. Darth Vader costume, from £19.48

Darth Vader Halloween costume for kids

If your child is a Star Wars fanatic, Halloween is the perfect opportunity to dress up as the galaxy's ultimate baddie – Darth Vader. This outfit includes a jumpsuit, cape and the iconic mask, though you will need to supply your own lightsaber.

8. Harry Potter Gryffindor costume, from £18

Hermoine Granger Halloween costume for kids

Got an avid Harry Potter fan in the house? This costume from M&S includes a Gryffindor cloak, wand, glasses and Hogwarts book cover, everything your child needs to get ready to board the Hogwarts Express.

“My daughter's going as Hermione Granger as she's obsessed with Harry Potter at the moment!”

9. Skeleton onesie, £19.99

Skeleton Halloween costume for kids

“My son has a skeleton onesie – he loves it and wears it all year round"

This soft all-in-one from H&M is perfect for older kids who still want to get into the Halloween spirit. With a fully-lined hood and a brushed fleecy lining, it's a cosy outfit that's sure to get plenty of wear – not just on 31 October.


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