A girl with a boombox in a classroom, opening a magical portal.

The ad opens in a classroom where a girl with a boombox is playing music, causing a magical portal to open. Children are then shown building and playing with LEGO Disney characters like Stitch, Angel, Heihei, and Marie. The scene transitions to a beach-like setting with LEGO builds, then to a DJ setup with a LEGO Marie. The ad concludes with a display of the LEGO Disney character sets and the tagline "SHE BUILT THAT".