Harry Potter LEGO has had an incredible year, with the release of the final Hogwarts Castle modular set and the stunning 33-inch tall Gringotts Wizarding Bank — Collectors Edition. But steaming to the top of every fan’s wish list must be the incredible new Hogwarts Express. This is LEGO’s most impressive version of the famous fictional train to date, and as the adverts say, adults are welcome. This set is designed to be a challenging build and an eye-catching display piece.