World Book Day® 2025
Up to 30% off kids' fancy dress
Order by 2pm (Mon-Fri) for free next day collection*
*Next day collection in selected stores only. Available options will be shown at checkout.
World Book Day® costume ideas
Don't forget face paints to complete the look.
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 & toys
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.
Save up to 1/3 on some of your favourite characters this World Book Day®
Save on Harry Potter, Moana & more.
Win a £500 Argos e-Gift Card
150 chances to win when you apply for the Argos Card
Apply and be accepted between 05/02/2025 and 11/03/2025 and then spend by 14/04/2025 to be entered into the draw. New UK customers only (not NI) 18+ only.
Representative 34.9% APR variable.
Credit subject to status. T&Cs apply. 
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.