For sale is a vintage 1979 Aurora AFX Mario Andretti Challenge Grand Prix International set with two HO scale cars. This set is a must-have for any slot car enthusiast and offers hours of fun racing with friends and family. The set includes two cars featuring Mario Andretti's iconic livery and is in great working condition.The cars are from the United States and are an original piece from the 1970s. The set is perfect for collectors or those who simply want to relive childhood memories. Don't miss out on the opportunity to own this piece of history. Comes with all paper work and original receipt and cars.