Welcome to the Hidden Side, where physical and digital worlds merge. This LEGO Hidden Side Phantom Fire Truck 3000 (70436) playset combines a buildable toy fire truck with advanced app technology for an incredible single or multiplayer augmented reality (AR) play experience. Multifunctional and digitally interactive The Phantom Fire Truck 3000 toy reveals a haunted digital world when viewed through a smart device equipped with the free LEGO Hidden Side AR app. Here, kids can explore, hunt ghosts, solve mysteries and battle boss ghost Blaze M. Barr. Kids can also transform the rear of the truck to create a cool mecha robot. And with Jack, Parker, J.B., TeeVee and Shadow-Walker minifigures, plus a Nehmaar Reem - The Harbinger figure, this set is also great for hands-on play and display. The ever-changing LEGO Hidden Side experience The LEGO Hidden Side universe is set in the fictional town of Newbury, where ghosts haunt people and buildings. The augmented reality play experience is constantly enhanced through new content, ghosts and special events.