Had this metal puzzle since I was a child, does anyone know its name/solution? : r/mechanicalpuzzles

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Scientists have found that Goffin's Cockatoos can solve mechanical puzzles. 10 untrained cockatoos faced a puzzle box showing a nut behind a transparent door secured by a series of five different interlocking

Pavel's Puzzle Blog: Mechanical puzzles Archives

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The Engineer Mechanical Puzzles Set 5 Wooden Brain Teaser, Birthday Gift, Holiday Present, Father's Day, Christmas Gift

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Pavel's Puzzle Blog: Mechanical puzzles Archives

Pavel's Puzzle Blog: Mechanical puzzles Archives

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