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The Einstein Collection Lock Puzzle

  • The Einstein Collection Lock Puzzle - 3D Brain Puzzles by Professor Puzzle.
  • Contains a wooden puzzle lock with an attached metal key.
  • Develop your problem solving skills - Can you slide the locks pieces around and unlock the padlock?
  • A perfect gift for any Physicist or Mind Puzzle enthusiast.
  • Part of Professor Puzzles range of Wooden 3D Brain Teaser Puzzles & Adults Brain Teasers.