Hummingbird Z7 are wings, designed by Opal Koboi. They have solar panels, creates no sound and has power to fly two times around world. In book 1, Artemis Fowl, Holly Short is weary about how LEPRecon always gets old ready-to-scrap equipment due to budgets. But after fight with Troll and discovering that her magic is too low to even make shield, she takes Hummingbird Z7 and flies with them to Ireland. Foaly dislikes the invention because it isn't of his design.