About this item
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.