NOW AVAILABLE ! DIAGNUMB >1 Solitaire, the Mathematical Reasoning Puzzle Board Game. A BRAND NEW recreational brainteasing puzzle game that uses single digit subtraction between forty numbered game tile pieces to solve. Players must create their own solutions mathematically using all forty numbered tiles. The difference must equal 2 or more between all connecting numbers and without repeating a number in any row across, down, and diagonally. Designed for teens and adults.
