Start your engines! The Carrera Go!!! Ferrari F1 Masters Slot Car Racing System is sure to rev up the fun! Its enhanced racing with Fernando Alonso in No. 5 vs. Felipe Massa in No. 6, sure to bring fast-paced excitement. Hours of action lie ahead with this set. It includes 2 mechanical speed controllers, a transformer, an analog lap counter, and a 17-foot track with supports and guardrails. Ages 6 and up.