At Joke, we boast the most popular male storybook characters that’ll have your son engrossed in stories, getting into the action, and looking the coolest in the playground. With boys World Book Day costumes ranging from 12 months to age 13, you can zap off the shelf anything from a scrumptious Gingerbread Man, big and hairy Gruffalo, or a DC Comics or Marvel superhero for the heroic sons that love to save the world. We have some World Book Day ideas for older boys too - perhaps a Harry Potter or Billionaire Boy outfit will do the trick. There’s no need to be stuck for boys World Book Day outfit ideas. We've got it all, and at prices that won't break the bank. Whiz around our page of boys World Book Day fancy dress characters and choose a costume that’ll do wonders in letting their creativity run wild.