The 1969 GTO Hardtop Purple slot car body is perfect for racing at home with friends or showing off in slot car clubs. It's aimed at slot car collectors and hobbyists who love classic muscle cars. This body needs to be used on a compatible chassis. It works well with Original Thunder Jet and can also work with AW Tjet with some minor changes. It's fully compatible with Life Like, Tyco, Tomy, and AFX Sets. If you face any issues, you can call the free tech support at 1 - 877 - 729 - 2099.