Puzzle boxes are a pretty good metaphor for human curiosity: We all want to know, what's in the box? We can't help but look as a stop to our curious nature - and it'll usually bother us until we know. Overall, puzzle boxes can be a lot of fun. So much so that film director JJ Abrams collaborated with one of the world's largest playing card manufacturers to bring the JJ Abrams Mystery Box to life. Check it out.
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