For years on World Book Day, parents have been asked to dress their children up as book characters, and social media feeds have filled up with pictures of kids in costumes.
But now some schools are encouraging families to decorate potatoes instead - as a way to chip away at some of the costs.
Classrooms around Northern Ireland have filled up with spudulicious recreations of Matilda, Charlie and the Chocolate Factory, Harry Potter and more.
One principal said it is a chance for parent-child connection and creativity, and brings the focus back to the book.