The Hot Wheels Turbo Twinpack Viper and Corvette is a slot car set from TYCO, featuring two iconic models - the Viper and Corvette. Made in China, this toy set was manufactured in 1960 and is suitable for children between the ages of 8-11 years old. With its high-quality construction and detailed design, this Turbo Twinpack set offers hours of fun and excitement for slot car enthusiasts.