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Kids Fancy Dress Ideas

Children love dressing up, and the right costume is the one they can actually run, play and eat a party tea in. This guide covers ideas by age, what to check for comfort and safety, and quick wins for World Book Day and themed parties.

Costume ideas by age

A cape and an emblem read instantly at any age.
  • Toddlers (1 to 3): keep it soft and simple. Animals, pumpkins, superheroes and character onesies go on easily and do not get in the way of nappies or naps.
  • Ages 4 to 7: the peak dressing-up years. Superheroes, princesses, dinosaurs, pirates and favourite TV characters are the reliable hits.
  • Ages 8 to 12: older children want a costume that looks the part. Think spooky characters, decade looks, film and game characters, and anything they can add their own accessories to.

A little room to grow helps. If you are between sizes, size up and roll a cuff rather than squeezing into the smaller option.

Comfort and safety checks

  • Keep costumes away from candles and fires at all times, especially around Halloween and bonfire night.
  • Choose costumes they can move and sit in for a few hours, not just stand still for a photo.
  • Skip trip hazards. Trim or pin long capes and hems on little ones.
  • For face paint, do a small patch test on the inside of the arm the day before if their skin is sensitive, and check the age on the pack, as some kits are not for under 3s.

World Book Day in a hurry

Book characters are easy to build from a few pieces: a wig and glasses, a coloured top and a prop will often say the character better than a full costume. Red and white stripes, a wizard look, a superhero or a classic storybook animal all come together quickly and photograph well for the class line-up.

Frequently asked questions

How do I make sure a costume is comfortable?

Choose the size up if you are unsure, check the neck and cuffs are not tight, and pick fabrics that breathe. Children overheat quickly when they are running around, so lighter is usually better.

What is a quick World Book Day costume?

Start with clothes they already own and add one or two accessories, a wig, glasses or a hat, to signal the character. It is faster, cheaper and just as recognisable as a full outfit.

Are the costumes true to size?

Costume sizing is by age band and can run small. If your child is tall or between bands, size up. A slightly loose costume is far comfier than a tight one for a party.

Shop children's costumes, finish the look with face paints and wigs, or find spooky options in kids' Halloween costumes.