BePuzzled | Key Hanayama Metal Brainteaser Puzzle Mensa Rated Level 1, for Ages 12 and Up
Two keys appear to be permanently linked, and no matter how you look at it, there is seemingly no solution to unlocking them. However, as a highly popular puzzle since its creation during the 19th century puzzle craze, the keys are in fact separable. The hint is "Enlarge."
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