2018 Series Suggestions:
-Group C
-AllSlot Formula GP
-Can Am 1966-1973: Slot.it , Thunder Slot etc.
-Ford GT: a Slot.it spec series ala Group C. Mk1 and MkII.)
-Trans AM: Scalextric, Carrera etc. with Shapeways chassis. Open specs.
-Vintage Rally: Year range, Open mfg., no drop arms.
Thanks,
John Breidenbach