Professor Puzzle Einstein's Ultimate Number Puzzle Brain Teaser  NEW

Professor Puzzle presents The Einstein Ultimate Number Puzzle - A Tricky Wooden Puzzle Game suitable for both kids and adults.

Play with this challenging Sudoku like mathematical brain teaser.   Each line must add to 264 but each number can be flipped upside down to make a new number!

A great gift to develop quick math.

Includes a solid wooden playing base and sixteen wooden reversible number tiles.

In New condition.  Please see pictures for more details.