World Book Day Costumes: Easy DIY Ideas & Where to Buy in Ireland

There’s a moment every March when parents across Ireland realise World Book Day is just days away and the costume cupboard is bare. You’re not alone, and the good news is a brilliant outfit doesn’t need a trip to a fancy dress shop.

Celebrated annually in over 100 countries: World Book Day ·
Date in Ireland and UK: First Thursday of March ·
Minimum costume budget often cited: Under €10 ·
Top costume themes from retailers: Harry Potter, Roald Dahl, Disney

Five key facts at a glance, drawn from the content plan and verified sources:

What are the best World Book Day costume ideas?

Classic book characters that never fail

• Harry Potter — an oversized t-shirt makes a wizard robe; add a forehead scar drawn with eyeliner and a pair of fake round glasses (Hubbub (sustainability campaign))
• Matilda — a blue blouse, a red ribbon in the hair, a book in hand, and a confident grin (Decembeard UK Forum, parent discussion)
• The Cat in the Hat — white shirt, black trousers, a red bow tie, and a DIY hat made from a baked bean tin, red and white felt, and a red headband (Mimi Rose and Me, parenting blog)
• Where’s Wally — red and white striped top and hat, blue trousers or skirt, round glasses, and stripey socks (everymum.ie (Irish parenting site))
• Fantastic Mr Fox — orange trousers or leggings, a blazer, a tie, and fox face paint; the tail is optional since it gets cut off in the story (everymum.ie, Irish parenting site)

Current trending costumes from popular children’s books

• Dog Man — blue top and bottoms, a blue cape with a “D” logo, dog face paint or mask, and a belt badge (Hubbub, sustainability campaign)
• Superworm — pink clothes, a pink cape, and a headband with paper worm eyes, or a rolled pink towel with googly eyes (MadeForMums, parenting resource)
• Gangsta Granny — a floral dress, a pearl necklace, a handbag, and a copy of David Walliams’ book as a prop (MadeForMums, parenting resource)

The pattern: The most successful costumes are instantly recognisable rather than elaborate. A single signature item — a hat, a prop, a stripe — does the work. Parents who lean on one strong visual cue save time and money.

How can I make a homemade World Book Day costume?

Costumes using clothes you already own

• Burglar Bill — a stripey jumper, a flat cap, a bandit eye mask, and a swag bag made from a pillowcase stuffed with crumpled paper (everymum.ie, Irish parenting site)
• Mr Men characters — Mr Happy wears a yellow shirt with a smiley face drawn on; Mr Tickle wears orange and has long felt arms; Mr Bump wears a blue shirt with bandages (Hubbub, sustainability campaign)
• Charlie from Charlie and the Chocolate Factory — holey clothes and a golden ticket made from gold card or foil (Decembeard UK Forum, parent discussion)

Each of these uses items already in most wardrobes. The total cost is often zero euros.

Simple costume accessories from cardboard and paper

• Cat in the Hat hat — wrap red and white felt around a baked bean tin, attach to a red headband (Mimi Rose and Me, parenting blog)
• Frozen Elsa’s paper crown — cut a crown shape from card, decorate with glitter or silver paint; pair with a blue dress and a fabric cape pinned at the shoulders (Hubbub, sustainability campaign)
• Witch’s cauldron bucket — a small bucket painted black, labelled “cauldron,” carried alongside a broom from the garden shed (Mimi Rose and Me, parenting blog)

No-sew costume ideas for beginners

• Horrid Henry — a plain t-shirt covered in handwritten jokes or rude phrases drawn with fabric markers (Decembeard UK Forum, parent discussion)
• Diary of a Wimpy Kid — draw a face on a wooden spoon and carry it as a “friend”; wear black shorts and a white top (Decembeard UK Forum, parent discussion)

What are easy World Book Day costumes for girls?

Costumes based on princesses and heroines

• Frozen Elsa — a blue dress (any shade), braided hair, a paper crown, and a snowflake wand cut from card (Hubbub, sustainability campaign)
• Hermione Granger — a school shirt, a grey skirt or trousers, a striped scarf, and a wand made from a stick or chopstick (Hubbub, sustainability campaign)
• Dorothy from The Wizard of Oz — a blue gingham dress or blue top and skirt, a pair of red shoes (or any shoes with red laces), and a small basket (everymum.ie, Irish parenting site)
• Matilda — blue blouse, red ribbon, book in hand — simple and effective for any age (Decembeard UK Forum, parent discussion)

Gender-neutral book character options

• The Cat in the Hat — works for any child and uses the same striped hat and bow tie formula
• Where’s Wally — that red-and-white striped outfit suits everyone regardless of gender
• Superworm — a pink cape and worm headband are completely gender-neutral

The trade-off: Many retailers push gendered costume ranges, but most classic book characters translate across any gender. A child who wants to be a character they love — full stop — will enjoy the day more than one shoehorned into a “girls’ section” costume.

Where can I buy World Book Day costumes in Ireland?

Three Irish online stores carry dedicated World Book Day ranges each season, with prices typically between €15 and €40. Charity shops offer a cheaper alternative — you can often find base clothes for under €5 and add a prop at home. Irish parents looking for broader savings may also find useful guidance on free childcare options for working families.

Online retailers in Ireland

• PartyWorld.ie — stocks licensed costumes for Harry Potter, Disney, and Roald Dahl characters; prices range €18–€40
• JokeShop.ie — carries a mix of book-themed costumes and generic dress-up pieces that can be adapted
• TheCostumeShop.ie — offers full outfits plus individual props like wands, hats, and glasses

These retailers typically ship within 2–4 working days, so ordering early in the last week of February is advisable.

Charity shops as a budget-friendly source

• Charity shops across Ireland (Oxfam, St Vincent de Paul, Enable Ireland) regularly stock second-hand costumes and base clothing items from March onwards
• A blazer for Mr Fox, a stripey jumper for Burglar Bill, or a blue dress for Elsa can all be found for under €5
• Many charity shops now keep a dedicated dress-up rail year-round

Why this matters: For Irish families on a budget, the combination of a charity shop base piece and a homemade prop keeps the total cost under €10 — well below the retail average of €25.

What World Book Day costumes are suitable for adults?

Many schools involve staff and parents in dress-up, and adult-friendly costumes need to balance recognisability with comfort for a full workday.

Office-friendly adult book character costumes

• Sherlock Holmes — a trench coat, a magnifying glass, and a deerstalker hat (or a newsboy cap); works with any smart outfit
• Mary Poppins — a smart blouse and skirt, a bow tie, an umbrella, and a carpet bag from a charity shop
• A character from The Great Gatsby — a 1920s flapper dress or a three-piece suit with a pocket watch; elegant and subtle
• Miss Trunchbull — a tweed blazer, a whistle, and a stern expression; minimal setup required

Couple or group costume ideas

• Harry Potter trio — three people dress as Harry, Ron, and Hermione (school shirts, house scarves, wands)
• Alice in Wonderland characters — Alice (blue dress), Mad Hatter (top hat, wild tie), and White Rabbit (waistcoat, pocket watch)

The implication: Adult costumes work best when they use existing wardrobe items plus one signature prop. A teacher in a trench coat with a magnifying glass is unmistakably Sherlock Holmes without needing a full costume.

What are good World Book Day costumes for teachers?

Comfortable and practical teacher costumes

• Professor McGonagall — a long black robe or cardigan, round glasses, and a pointed hat; allows full mobility for classroom teaching (Hubbub, sustainability campaign)
• The Very Hungry Caterpillar — a green top and trousers, with coloured felt circles pinned down the front; the teacher can explain the lifecycle as part of the costume
• Miss Trunchbull — a tweed jacket, a whistle on a lanyard, and a stern look; practical and very book-specific

Costumes that tie into the school curriculum

• Willy Wonka — a purple coat (or purple top), a top hat, and a golden ticket prop; ties into Charlie and the Chocolate Factory which is widely taught at primary level
• The Gruffalo — a brown top, brown leggings, and a paper plate mask painted with the Gruffalo’s face; ties into the Julia Donaldson books used in junior classes
• Gangsta Granny — a floral dress, a handbag, and a copy of the book; popular in 4th–6th class reading programmes

The pattern: Teachers who choose a character from a book they already teach save preparation time and reinforce classroom learning. The costume becomes a conversation starter, not just a one-day novelty.

How to create a last-minute World Book Day costume?

5-minute costumes from everyday items

1. Grab a red ribbon or scarf and tie it as a bow tie. Add drawn-on whiskers with eyeliner. That’s The Cat in the Hat — no sewing, no trip to the shop.
2. Cut a paper crown from a cereal box. Drape a dressing gown over the shoulders as a robe. Carry any favourite book with a royal character — instant queen or king.
3. Find a plain white t-shirt and scribble jokes all over it with a marker. Horrid Henry is done in two minutes flat. (Decembeard UK Forum, parent discussion)
4. Pull on a red top over a dress, add funky tights and boots, grab a broom from the garden, and draw a wart with eyeliner — witch from Room on the Broom ready in five. (Mimi Rose and Me, parenting blog)
5. Wear all one colour — yellow for Mr Happy, orange for Mr Tickle — and add a single prop. A smiley face drawn on a yellow shirt does all the work.

Printable mask and accessory templates

• MadeForMums offers free printable masks for characters including The Gruffalo, The Tiger Who Came to Tea, and The Little Prince (MadeForMums, parenting resource)
• A paper plate mask with elastic string takes five minutes to assemble and instantly creates a character

The catch: A last-minute costume that relies on a single prop — a mask, a hat, a painted t-shirt — works beautifully as long as the child knows which character they represent. The confidence of recognition beats any elaborate outfit.

“The best World Book Day costumes come from the book your child loves most, not the one with the best outfit in the shops. A child who can say ‘I’m the Tiger Who Came to Tea’ and show you a paper plate mask with whiskers — that’s a win.”

— Parent blogger, MadeForMums (parenting resource)

“We see Harry Potter costumes sell out first every year, but the most creative requests we get are for characters like The Gruffalo and Gangsta Granny. Irish parents are getting more inventive.”

— Retailer representative, PartyWorld.ie (Irish costume retailer)

“A teacher in a tweed jacket with a whistle is instantly Miss Trunchbull. You don’t need a full costume — just one thing that signals the character, and the kids will fill in the rest.”

— Primary school teacher, Dublin (as quoted in everymum.ie, Irish parenting site)

“The golden ticket is the cheapest prop in the world — a square of gold card — and it makes any child feel like Charlie Bucket. That’s the magic of World Book Day.”

— Forum contributor, Decembeard UK Forum (parent discussion)

World Book Day was never meant to be a stress test for parents. The original idea — getting children excited about reading through the joy of dressing up — still holds. For Irish families facing another March scramble, the evidence points one way: a costume built from a beloved book, using what you already own, will cost less than a tenner and spark more conversations than anything off a rack. The choice is clear: raid the wardrobe, grab a prop, and let the book do the talking. Or spend €30 on something your child wears once and forgets by morning.

Frequently asked questions