Want to keep your brain fit, young and flexible? Want to sharpen your mind and prevent neurological disorders? Looking for something engaging but not stressful? Just like your body needs physical exercise your mind needs mental exercise. Solving sudoku puzzles exercises your brain extensively providing you benefits such as: 1) Improved memory 2) Mind stimulation 3) Increased Concentration 4) Decreased risk of Alzheimers Brain Trainer presents 100 LARGE print Sudoku puzzles for Adults & Teens! Don't stress though, they've been created for the purpose of relaxation. A fun challenge without being extremely difficult. Features Include:- Larger print than magazines & newspapers - An answer key if any puzzles leave you stumped So if you want to keep your brain young, fit and sharp, come in and let's get started!