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. With continuous updates, a unique boss ghost to battle in each set, new mysteries to solve, cool items to find, games to play and ghosts to collect, 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, like a pull-out command center and flip-out toy cannons, to inspire hours of creative play. With 2 hero minifigures, 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.