I know it's not cars but how about these Marx birds. its complete with all birds .its my dads set . I finally got him to dig it up ond drop it off so I could take pics of it ..
On weekends my I'll take rides with my dad. We bolth have good eyes for the lost stuff. He loves to take pic of abandon barns and old houses ,where I like the forgotten vehicles.
Also your out dated credit cards make good chin spoilers as well. Just cut off fill and sand the numbers . I have started using these for a Wile .nothing like free plastic for a project.