[jodrellblank]

> "It’s like what happens to a room during a game of “I Spy”: if your friend spies something red, the red stuff glows."

The only I Spy I know is "I spy with my little eye something beginning with...". Is there another common version where people describe the appearance of the thing instead of the spelling of the name?

[privong]

Growing up, my brothers and I would play "I spy" by identifying a color. E.g., "I spy with my little eye something that is orange".