The kids who were playing with Lego Harry Potter back in 2001 may not be playing with the sets anymore, but there’s a whole new generation of kids who are discovering the books and for whom Lego Harry Potter is a new play experience. Interactive and TT Games),  a visual dictionary and physical board game. In advance of the release of “Harry Potter and the Deathly Hallows: Part 2,” we asked Mr. McNally to spill the beans on all things Lego Harry Potter. In addition to toy construction sets based on the films, Lego has also produced keychains, magnets, a Lego Harry Potter videogame (in association with Warner Bros. “Our Harry Potter products are a testament to how the right property can work so well in the construction category, because not all do,” says Michael McNally, the brand relations director for the Lego Group. Throughout its 10-year history, the Harry Potter film franchise has yielded any number of consumer product tie-ins.