93 Diagon Alley was a building in Diagon Alley, London that housed Weasleys' Wizard Wheezes, a joke shop in which practical joke objects, such as Extendable Ears, Reusable Hangman, and Fred and George's special WonderWitch products, such as Love Potions, Ten-Second Pimple Vanisher, and Pygmy Puffs are sold.