Xbox 360 game 'Lego Harry Potter Years 1-4' is a game that follows the story of LEGO Harry Potter, starting with the first year at Hogwarts School of Witchcraft and Wizardry and continuing through the years. The game features a large selection of LEGO characters, including Harry, Ron, Hermione, Dumbledore, and many more. Players can control their characters with a variety of tools and abilities, including magic, spells, and potions. The game also includes a large number of challenges and bonus levels, as well as a story mode that allows players to follow the story of LEGO Harry Potter from beginning to end.