The NASCAR Micro Machines Gordon Irwin Jarrett Winners Circle Green Flag Series is a set of diecast toy vehicles featuring cars driven by Dale Earnhardt, Steve Park, Dale Earnhardt, Jr. in the NASCAR Winners Circle race series. Manufactured in 1999 by Micro Machines, the multi-color collectible cars are part of the sport and touring cars category. Each vehicle represents a different driver and is a part of the Nascar theme. The set is recommended for children aged 4 and older, making it a great addition to any NASCAR fan's collection.