Some of the most common costume options on eBay as of 2015 include a princess, devil, witch, superhero and pirate. Peter Pan, Batman, Harry Potter, Luke Skywalker and Spider-Man costumes are the most common costumes for boys.
Princess costumes consist of a fancy dress, a tiara and a wand. The devil costume is entirely red with a tail and horns. Witch costumes are often black with a broom and pointy hat. The Peter Pan costume has a lace-up crushed velvet top, trousers, belt and other accompaniments of various colors. The Harry Potter costume is completed by a robe, a polo, colored tie, pants and school shoes. The Spider-Man costume is made up of a blue and red bodysuit sporting a spider web pattern.