Welcome to the Hidden Side, where physical and digital worlds merge. This LEGO 70429 Hidden Side El Fuego's Stunt Plane playset combines a buildable propeller plane with advanced app technology to provide an incredible single or multiplayer augmented reality (AR) play experience! Awesome interactive building toy El Fuego's stunt plane reveals a haunted digital world when viewed through a smart device equipped with the LEGO Hidden Side AR app. Youngsters then get to explore, hunt ghosts, solve mysteries and battle boss ghost Harry Cane. And with skeleton El Fuego, Jack and Mary Breaksom minifigures, plus a Spencer the dog figure, hands-on creative play is also free to soar! The ever-changing LEGO Hidden Side experience LEGO Hidden Side playsets bring fully interactive AR play to LEGO models. This mixed-reality experience is constantly enhanced through new content, ghosts and special events. Install the free Hidden Side AR app for selected smartphones and tablets and scan this model to bring it to life! The LEGO 70429 Hidden Side El Fuego's Stunt Plane includes 295 pieces. Ages 7 and up.