Immerse kids in a fast-paced augmented-reality play experience with the LEGO Hidden Side 70423 Paranormal Intercept Bus 3000 playset. Download the Hidden Side app and scan the model with a phone to make it come alive - interacting with the model makes things happen in the app. Use the app to find and capture ghosts floating around the module. Find clues in the module and solve mysteries in the app. This LEGO Hidden Side set offers kids a whole new way to play and interact with building bricks! This powered-up school bus toy features cool tech details: a pull-out command center and flip-out toy cannons. With 2 hero mini-figures, each with his and her own smartphone, tech genius J.B., 2 haunted workers and cute ghost dog figure, this building set features a lot of fun play-starters.