The set allows you to race up to four cars at the same time, performing amazing, realistic overtaking and braking manoeuvres * You can switch lanes at the touch of a button to overtake or block your opponent * The super resistant McLaren MP4-12C cars feature easy change pick ups and the magnatraction system to help them stay on the circuit * Digital layouts are fully compatible with standard scalextric track pieces * The set is upgrade able to the advanced six car digital powerbase (C7042) for 6 car races plus a host of additional features