Dive into the spooky world of LEGO Hidden Side with the Graveyard Mystery playset (70420). This interactive building kit combines physical LEGO bricks with a cutting-edge augmented reality app, bringing the haunting world to life on your smart device. Uncover the mysteries of the graveyard, solve puzzles, and battle ghosts by simply looking at the model through your phone or tablet. The set includes minifigures and a buildable graveyard with hidden elements that react to the AR app, offering a unique and engaging play experience for kids aged 7 and up. Requires a smart device and the LEGO Hidden Side AR app, which is compatible with select devices. Features a tombstone that opens, a ghost figure, and a skeleton, all designed to interact with the app for a truly immersive adventure.