How you can tell those who have extensively played the series from those who haven't: have them try to summarize the plot of Simon's Quest, and see how many of them misinterpret the backstory.

I actually still have mine, and it's still in working condition! I don't know if the light on it still works, though...

The ENTIRETY of the Turtwig line. I am a huge fan of the land turtles and have multiple cards and a decorative pin depicting them.