As you can see, Lydia “looks-on, skeptically” as you dare the question, what people know or don’t know about this movie.
Here’s the link:
How do they do, that?
One thing, I will tell you is that the extensive effects were done, “for only a million dollars” which in 1988 money, is almost like a paltry two million, to get all those SFX. Lots of stop-motion and working with miniature-models, as it was all “pulled-off”, beautifully.
And also, here’s a behind-the-scenes video of “the snake” creature–