With Halloween just around the corner, I thought I’d share some fun and creative costume ideas for children this year. To make things easy, I’ve included a few outfits available on Amazon UK (affiliate links) but I’ve also added simple tips for how you can use items from around the house to pull a look together. That way, you can save money, recycle what you already have, and still create something magical.

🎭 Costume Ideas

K-Pop Demon Hunter
A striking choice for fans of K-Pop and fantasy gaming alike. This look is all about sharp silhouettes, metallic accents, and a touch of futuristic flair.

• Amazon pick: K-Pop Demon Hunter Cosplay Outfit – a ready-made set with layered details and bold styling.
• From home: Start with black skinny jeans or leggings and a fitted black top. Add belts, chains, and metallic tape to create a harness-style effect. A long coat or cape (an old curtain works well) gives drama, and fingerless gloves or DIY cuffs finish it off. Top it with a colourful wig or temporary dye for that true K-Pop energy.

Elsebeth
Quirky, bold, and instantly recognisable, an Elsebeth-inspired outfit stands out with its bright colours and unexpected combinations.

• Amazon pick: Kids Elsebeth Costume – a theatrical option if you’re leaning into a dramatic Elsebeth look.
• From home: Raid charity shops for a statement blazer in a bold print, pair it with colourful trousers or a patterned skirt, and layer with scarves or oversized jewellery. The more eclectic, the better – Elsebeth’s style is about mixing pieces that shouldn’t match, but somehow work brilliantly together.

Little Witch / Sorceress
 Always a Halloween favourite. A witch hat and broomstick instantly do the trick, and you can find some affordable full costumes online.

• Amazon pick: Girls’ Light Up Witch Costume – complete with dress and hat.
• From home: A black dress, stripy tights, and a sweeping brush make a perfect witch’s outfit with hardly any effort. Add face paint for a spooky green glow.

Vampire / Gothic Look
 Dramatic and spooky, ideal for children who like to dress up with a bit of flair.

• Amazon pick: Kids Vampire Costume – with cape and waistcoat.
• From home: A white shirt, dark trousers, and an old red scarf or piece of fabric as a cape. Use face powder for a pale look and draw on fangs with eyeliner.

Ghost / Phantom
 The easiest, most classic Halloween costume — and it never goes out of style.

• Amazon pick: Kids Ghost Costume – lightweight and ready to wear.
• From home: An old white bedsheet with eyeholes cut out will do the job in minutes. If you’ve got glow sticks, tuck them underneath for a glowing ghost effect!

Dragon / Dinosaur / Creature
 A fun, bold choice that little ones will love stomping about in.

• Amazon pick: Kids Shark Hooded Bodysuit – comfy and cosy too.
• From home: A hoodie in green or grey, with cardboard spikes pinned or sewn onto the back, can quickly turn into a homemade dinosaur or dragon.

Inflatable Costume
 These always grab attention and are great for older children who like a laugh.

• Amazon pick: Inflatable Gorilla Costume 
• From home: If you don’t want to go inflatable, try padding clothes with cushions to create a fun oversized effect — think pumpkin, scarecrow, or monster!

Princess / Magical Fantasy
 For little ones who prefer sparkle to spook.

• Amazon pick: Princess Light-Up Dress
• From home: A party dress paired with a tiara (or even a headband with some foil stars glued on) can easily transform into a magical fairy or princess. Add a wand made from a stick and ribbon.

Scarecrow
 A simple, rustic costume that works well for Halloween and autumn.

• Amazon pick: There are ready-made versions, but this one is easy to DIY.
• From home: A checked shirt, dungarees or jeans, and some straw (or even shredded paper) tucked into sleeves and pockets. Face paint for stitches completes the look.

Tips & Trends for Halloween 2025

• Costumes that reflect characters from popular games or media are especially trendy. For instance, superhero / video game themes remain strong among children.
• Witches remain perennial favourites.
• Keep safety in mind: choose costumes that are bright or include reflective elements so children are visible at night. 
• Always double-check sizing, mobility (for walking / collecting sweets), and whether masks or accessories obstruct vision.

This article contains affiliate links.