From the Manufacturer
Carrera Evolution Series Road Race Slot Car Set. The Evolution Series is the epitome of slot racing! Worldwide unique race track system combining tracks to race 1:24 and 1:36 scale cars. Wider track lanes allow realistic drifting and sliding. Tracks have stainless U-profiles using Nirosta high-grade steel. Flexible track connections prevent interruptions in track content. Cars can have realistic acceleration and braking action. Track can be expanded up to 8 lanes with track sold separately. 9 Volt battery included. This set includes 2 cars, 5 standard straights, 1 connecting station, 8 curves 1/80 degrees, 2 speed controllers, 1 transformer, guardrails and instructions.