Accelerate into the new world of 1:32 scale slot car racing with this Scalextric Start Grand Prix twin pack. These super tough Grand Prix cars feature Magnatraction, which keeps the cars in contact with the track as they race round the circuit. The cars pickup power from the track, they do not need any batteries to power them. Simply add them to the track and plug in your Scalextric, and they are ready to go. With easy change pick-ups, you can use them with any standard Scalextric set for exciting car racing fun.