- 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.
SKU: 62765
UPC: EIN2908
UPC: EIN2908