Greenlight 10th Anniversary Edition: 1968 Chevy Impala SS 1:64 Scale (Blue) 1968 CHEVROLET IMPALA SS * Greenlight 10th Anniversary * Greenlight Collectibles 2014 Limited Edition 1:64 Scale Die-Cast Vehicle Limited Edition Die-Cast Metal Chassis Specially designed for the adult collector! Ages 8 and up. From Greenlight Collectibles.