World Book Day® 2025
6 March 2025
World Book Day® costumes
Spark their imagination
From page to reality, prep for World Book Day® with our selection of wow-worthy costumes.
Discover how to inspire your littles ones…
World Book Day® is a charity on a mission is to promote reading for fun. They want to see more children develop a life-long habit of reading for pleasure and the improved life chances this brings them.
Remember to pick up your World Book Day books in Sainsbury's stores, free with your £1 book token.
Books & E-readers
Children's books
Discover new worlds and light up their imagination with stories for everyone.
Tonies
Say hello to the Toniebox. The magical, musical storybox that brings songs, stories and joy to every moment of the day.
Pay no interest when you spend £199+
and you pay your full balance within 6 months with the Argos Card.
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World Book Day® is the perfect time to get your children excited about books and reading. World Book Day® 2025 is on Thursday 6th March, when children from schools around the UK will dress up as their favourite characters in a celebration of books and reading. And we’ve got a fantastic range of costumes and accessories to help you enjoy the day.
We’ve got costumes from some of the most recognisable book series. Our range of Disney costumes is a classic choice with all your children’s favourite characters. From Woody and Minnie to Mirabel and Maleficent, we’ve got costumes for all tastes. Add a regal touch with our selection of Disney princess costumes.
Make things magical with our fantastic range of Harry Potter costumes. With robes and even a sorting hat, your little ones will be the witch or wizard they dream of! Superpower their costumes with our range of Marvel Costumes. We’ve got fantastic options including Iron Man and Spider-Man. And finish their costumes off with our range of fancy dress accessories to really get them into character for a fantastic World Book Day® 2025.