The LEGO Harry Potter Diagon Alley 75978 set is a complete collection with 5544 pieces, offering fans the opportunity to build a detailed replica of the iconic wizarding world. This set, released in 2020, includes various shops and characters from the Harry Potter series, perfect for collectors and enthusiasts of all ages. With its plastic building material and brick separator, this LEGO set allows for endless creativity and imagination as fans can recreate their favorite scenes and characters from the Harry Potter universe.