Do you dare to enter the Hidden Side? Team up with Jack Davids and J.B. as they try to save Newbury and turn a haunted world back to normal one ghost at a time. Download the LEGO ® Hidden Side app and point your phone at J.B.'s Ghost Lab to make the model come alive and reveal the Hidden Side. See how interacting with the building set in the real world makes things happen in the app. Explore the Hidden Side, solve new mysteries, find cool items, catch all the ghosts to add to your ghost collection, and defeat the boss ghost, Mr. Drewell , if you dare. Or play out your own ghost-hunting adventures with this awesome LEGO set!