Race head-to-head with this high-speed, Carrera GO!!! battery powered 1:43 scale slot car racing toy set featuring Mario and Luigi! Carrera battery technology gives you the ability to race with the same power and speed as the electric powered Carrera GO!!! slot car sets! This set requires 4 Type-D batteries (not included) and can also be upgraded to electric with the purchase of a power adapter (sold separately).