There is something completely unwholesome here. A human foetus is something that nature hides from us until it is time to make its appearance into the world: nature usually does things for its own good reasons.
What possible relevance could having a plastic foetus have for anyone ? Will it get passed around at parties ? Imagine being handed one of these damned things and the mother saying "just look how cute Alison was when she was a foetus".
So what's next.
* Keeping little bottles of sperm in order to say , "one of these sperms made the rush forward with the one from which you were born".
* Meet George the "Inflatible feotus".
* Why not plastic gonadss ( oops the Yanks already have these - Truck Nuts I believe they call them).