Carrera Tire Stacks bring your Carrera race track to life with istic looking tire stacks that add both safety and style. These tire stacks create a protective barrier between the racetrack and spectators, helping to prevent serious crashes or accidents caused by out-of-control slot cars. Designed to ly complement the Carrera DIGITAL 124, Carrera DIGITAL 132, and Carrera EVOLUTION race tracks, this set includes 24 brackets and 6 stacks of tires, each stack measuring 9 tires across and 3 tires high. Enhance your racing experience with these essential safety features that also add ity to your track setup. Model Number: 20021130