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Picked this up to keep my hands busy during calls, and the clear outer body makes it oddly satisfying to watch the strings shift around. The 100% symmetry really forces you to think differently than most puzzles I've tried.

I love how the strings are fully interchangeable, so I can rearrange them into new patterns whenever I want. It starts simple but gets seriously tricky once you start mixing it up, which makes it a great brain workout. The symmetry is really satisfying when you finally solve it.

The clear outer shell is perfect for watching the strings twist as you work, and the 100% symmetry means every angle feels fair. I've spent three evenings on it and it's still not solved, which is exactly the challenge I wanted.