Strange film, sci-fi/fantasy, “mailbox” film

I was born in 81 and I saw this film as a kid as a video rental. It had a modern family but they went on some sort of magical adventure. I remember several key things that would identify it. There was a focus on a mailbox or something in the mailbox that caused magical things. There was a desert with bones in it. There was a glass wall, like an invisible wall. I’ve already done a lot of web searches, it’s probably not an obvious or common movie.

4 thoughts on “Strange film, sci-fi/fantasy, “mailbox” film

  1. it wasn’t a mailbox then it was a toaster oven. Memory is funny that way “smouldering rock in the toaster oven. ”

    Good answer thank you.

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