They destroy the first horcrux.
Despite this desirable platform, I have found that it was in fact J. Usually, the larger the store and display space available, the larger the display unit. An epilogue then shows Harry and the others sending their children away to Hogwarts. The Chamber of Secrets window cling shown above is approximately The digital press kit for Harry Potter and the Chamber of Secrets has 7 poster images and 1 wordmark just the title on a dark background, such as might have been used on a mylar for the light box above theatre doorways.
What kind of information can we glean from marketing screeners? These days, more major theatres seem to use digital displays that show the name of the film and the times it starts instead of mylars and light boxes. They are relatively inexpensive to produce in bulk, they typically show a recognizable character or slogan, and they promote the film release date and so can be worn for quite a while in advance to advertise when the item will be available.
Other kinds of style guides might include additional sorts of items. I have not seen promo flats for any of the Harry Potter soundtracks that were produced for films after Chamber of Secrets.
Hermione and her wand. Both of the backer cards are the same size — 5. Thus, the cling looks very dull when unpacked, but turns out to be vivid and eye-catching when lifted from the cardboard backing and placed on a store window.