I'm in a box, full of that which is most rare.
But I'm not a flute, and I'm not some hair.
Though soft be my bed, I'm as hard as a rock.
While dull in the dark, I glisten once unlocked.
Answer: Jewel.
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Can you solve one of the most famous logic puzzle ever?
Memory Matching game for kids, adults and seniors.
Connect the matching tiles and pop them all.