Whether you're a collector or a kid at heart, this set is sure to provide hours of entertainment and joy. Each car in the set has a unique id, making them perfect for collectors. Made from high quality die-cast materials, they are built to last and are perfect for both display and play. Don't miss out on this amazing opportunity to own the complete Mattel Hotwheels Id Series 1 set! Found a series 2 track ripper I thought I sold. Will be part of this listing. Series 1 complete 51 car set and the Track Ripper series 2 make this a 52 car listing. All new unopened.  Feel free to message me if need additional photos.