‘ARC APP MUST BE USED IN CONJUNCTION WITH A SCALEXTRIC ARC POWERBASE’ Magic ARC (App Race Control) APP is a slot car system that allows users to wirelessly create and manage races with a handheld smart device, such as a smartphone or tablet. Connect your smart device via Bluetooth to the new Scalextric ARC Powerbase, unlocking unique features and control of your races. This App is not endorsed by, affiliated with or associated with Hornby Hobbies Limited (GB).