This guy had no idea what he had when he listed it. You can see as he keeps adding information to the description as people ask questions or tell him more.
There's 5 others known that are similar to this...but this is among the nicest.
https://www.ebay.com/itm/364981129804
A red one was used in early Mattel catalogs. They'd use lots of prototypes in the catalogs as the cars were still going through design and production.
And yes, the key difference between these and a regular one is the sidepipes. Standard production just has zoomies up front by the front wheels.
There's 5 others known that are similar to this...but this is among the nicest.
https://www.ebay.com/itm/364981129804
A red one was used in early Mattel catalogs. They'd use lots of prototypes in the catalogs as the cars were still going through design and production.
And yes, the key difference between these and a regular one is the sidepipes. Standard production just has zoomies up front by the front wheels.