No not a prototype unless it is featured on box art or a promotional image they usually don't make it out to the hands of the public 
there is striped and non striped versions, anniversary and normal versions. And then there is the Trackmaster version. I have included some images of some versions.
there is striped and non striped versions, anniversary and normal versions. And then there is the Trackmaster version. I have included some images of some versions.![[-]](https://www.blueplastictracks.org/images/collapse.png)