Eccentric Willy Wonka is one of Roald Dahl's best loved characters - fans of Charlie and the Chocolate Factory will absolutely adore this costume. The set consists of a velvet purple top with a cape and bow tie, green trousers and even a top hat. That's World Book Day sorted! Please note that for dress up styles under 3 years the appearance and features may vary due to safety reasons. Bringing books to life.