ARC Pro Powerbase Transform any Scalextric set to ARC PRO Multiple car racing (up to 6) Plug in and play to transform your race with the ARC app Comes with 2 x Wireless Controllers The ultimate digital slot car race control system is here! Scalextric ARC PRO; the first digital slot car race control system that allows users to wirelessly create and manage races through the use of a handheld smart device. Using Scalextric’s revolutionary new ARC PRO powerbase in conjunction with this app, users can seamlessly merge the excitement of real time, on-track racing, with the thrill of on-screen gameplay. ARC PRO takes racing to the ultimate level with multi car racing up to 6 cars, lane changing, separate pit lane stop, KERS as well as variable weather conditions, tyre wear, fuel usage, brakes and post-race statistics. All of the features of ARC AIR plus: - Lane changing - Multiple cars - KERS boost Recommended to be used with: - C7015 - Pit Lane Track - C7016 - Single Lane Half-straight 175mm x 4 - C8438 - ARC AIR/PRO Wireless Hand Controller If you are intending to run 6 cars at one time, to ensure maximum performance we recommend that you add a second power source, a P9300 Transformer, to the one already included within this ARC Pro Powerbase Upgrade Kit SAFETY NOTICE Warning! This product is not suitable for children under 3 years because of small parts which could present a choking hazard. Some components have functional sharp edges. Handle with care. This product is intended for indoor use only. The transformer is not a toy- \"it's a transformer for toys.\" Before use, check that the transformer is the correct voltage for your mains electricity supply. Only use this product with the recommended transformer.