Eureka! That's it! If you have a teacher like Miss Battle-Axe, or a Greasy Greta the Demon Dinner Lady in your sights and dream of pulling pranks on unsuspecting friends, this Horrid Henry costume set might just help you get away with it. Dress up like your favourite character with this amazing costume. It comprises of a blue top with a lenticular detail, navy trousers, a Henry mask and a cool whoopee cushion. Please note that for dress up styles under 3 years the appearance and features may vary due to safety reasons. Bringing books to life.