Mr.Nil on Instagram: "The post features a video of disassembling a complex 3D metal cast puzzle, where five interlocking pieces form a circle and require rotating the assembly 90 degrees while sliding segments to unlock, illustrating the caption's emphasis on multi-perspective insight. Such disentanglement puzzles boost spatial reasoning skills; a 2016 study in Computers in Human Behavior showed participants improved mental rotation accuracy by 25% after 10 hours of similar 3D puzzle practice. P

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