- The Einstein Collection Atom Puzzle – 2 3D Brain Puzzles by Professor Puzzle.
- Contains a smaller spherical puzzle inside of a tricky wooden ball and peg puzzle.
- Develop your problem solving skills – Can you split the atom and solve the interlocking puzzle ‘nucleus’ within?
- A perfect gift for any Physicist or Mind Puzzle enthusiast.
- Part of Professor Puzzles range of Wooden 3D Brain Teaser Puzzles & Adults Brain Teasers.