GREAT MINDS SERIES
- Professor Puzzle presents The Einstein Ultimate Number Puzzle - Part of The Great Minds Collection
- A tricky Wooden Puzzle Game suitable for both kids & adults. Includes a solid wooden playing base and 19 wooden number pieces.
- Play with this challenging sudoku like mathematical brain teaser.
- Each line must add up to 38.
- Part of Professor Puzzles Great Minds a suite of 3D Puzzle / Brain Games based upon histories best minds.