Drilling into your patients' mouths is fine...unless you're crazy! Help your child become an evil orthodontist this World Book Day in this Kids Demon Dentist Kit Costume. The terrifying character from the book written by David Walliams isn't like your ordinary dentist. He's mean, cunning and a lot of trouble1 Sit back on the dentist chair and open wide for a very interesting examination this… The Kids Demon Dentist Costume is a long sleeved, white dentist gown with detailing of a coat pocket with stationery. It also features an embroidered name tag in the top left corner. The best part of the costume is the oversized white teeth accessory. Your child will have fun showing off their sparkling gnashers to their patients, giving them a sneak peak of what's to come at their upcoming appointment.