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 two hero minifigures, each with his and her own smartphone, tech genius J.B., two haunted workers and cute ghost dog figure, this building set features a lot of fun play-starters.