World Book Day Costume Ideas

Looking for World Book Day costume ideas? Whether you need a last-minute outfit or you're planning ahead, we've got book character fancy dress for children and adults.
Popular World Book Day costumes include Stick Man, Paddington Bear, Harry Potter, The Gruffalo, Alice in Wonderland, Where's Wally, and Matilda. Browse our full range below – we stock costumes for boys, girls, and teachers too.
World Book Day 2026 falls on Thursday 6th March. Order by 2nd March (choose Priority at checkout) for delivery in time.
Transform into beloved literary characters this World Book Day with our premium collection of costumes, kits and accessories. Perfect for school celebrations, library events, and home reading parties.
Our collection features costumes inspired by Roald Dahl favourites including the BFG, Willy Wonka, and Matilda, Harry Potter characters from Hogwarts and beyond, classic tales like Alice in Wonderland and The Gruffalo, Julia Donaldson and David Walliams characters, plus Disney classics including The Jungle Book and Frozen. We also stock superheroes, princesses, knights, and contemporary favourites like Isadora Moon.
Choose from complete head-to-toe costumes for maximum impact, budget-friendly dress-up kits perfect for school events, or finishing touches like character masks, ears, and headgear to complete your look. All our costumes are designed for comfort and reuse, making them perfect for World Book Day, school plays, and dress-up throughout the year.
Planning a classroom or library event? Browse our World Book Day decorations including bunting and banners to create an immersive reading celebration.
Frequently Asked Questions
Q: When is World Book Day celebrated?
A: World Book Day is celebrated annually on the first Thursday in March in the UK. Order early to ensure delivery for your school or library event.
Q: What are the most popular World Book Day costumes?
A: Perennial favourites include Roald Dahl characters (Matilda, Willy Wonka, BFG), Harry Potter characters, The Gruffalo, and Alice in Wonderland. Our bestselling costumes work for both children and adults.
Q: Do you have budget-friendly options for schools?
A: Yes! We offer affordable dress-up kits and accessories alongside premium costumes, so every child can participate regardless of budget.
Q: Can these costumes be used for other occasions?
A: Absolutely! Our book character costumes are perfect for school plays, themed birthday parties, Halloween, and imaginative play throughout the year.