This Newbury subway (70430) set combines the open creative play of LEGO building toys with an augmented reality (AR) app - so interaction with the model triggers events in the digital world. Fully interactive building toy Install the free Hidden Side AR app for smart devices and scan the Newbury subway model to reveal a digital world, where kids can hunt ghosts, explore and solve mysteries and battle boss ghost Rat Shaun - alone or online with friends. And, with Jack, Parker and possessed Pete Peterson minifigures, the scene is set for endless hands-on LEGO play!