[Even if it's only a reflection of what he had based on his memory, it's good enough for him; it's tangible and physical enough for this world, and with it he can safely keep that memory intact, regardless of whatever happens in his head.]

It's one of the few good things about being stolen from your own world, I guess. Making good friends like her...

[Though it depends on the personality, destination, and home world, admittedly. Ferran is all too happy to be here, for now. Carefully tucking the card inside the case, he closes it with a snap and turns to her.]

So, that's how you do it. I've heard you can use them to glance at things going on back home at the observatory in town, too, but I don't know much about that.