These spy coins are perfect for passing notes, mini SD cards, and other micro stuff.  These coins look exactly like real coins when closed.  When opened, you can put thin stuff inside, and then close it back up and hand it to your friend.  If you're a kid, and you get caught in class, and all that the teacher sees is a coin.  HAHAHA!  Oh wait, most of you guys are adults.  Oh well.  Pass micro SD cards at work or something.

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