Harry Potter Costume: Child's One Size Fits All This Harry Potter costume kit for kids includes eyeglasses, hooded robe with clasp, and wand. The Harry Potter Kit comes in child size One Size. This Harry Potter Kit is an officially licensed Harry Potter costume. Please note: This item's color may vary due to inherent manufacturing variations or your computer monitor's color settings. The item you receive will be identical or substantially similar to the item pictured in this listing.