528 sudoku puzzles: Brain Training For Beginner, including answer keys

Sudoku is a popular number puzzle game that can be played at any age. Sudoku uses skills in thinking, practicing observation, sequencing, and meditation because playing sudoku is used. Eyes to fill, thus stimulating the front brain Because the front brain is associated with memory, eye augmentation can help stimulate the function of the front brain. In addition, research has shown that playing Sudoku can reduce and maintain memory loss and reduce the risk of Alzheimer's disease as well.
Sudoku in this book has as many as 528 puzzles to play. Children can play, adults play well. Train the brain to show wisdom May take a timer and see how long it takes us to solve the puzzle In addition, you can buy to give as a gift to your loved ones.