Sudoku - Brain Games For Smart Minds Box Set of 4 Books : Brain Booster Puzzles for Kids, 480 + Fun Games. Combo of Easy, Hard, Killer, Complex Levels.

The Sudoku: Brain Games for Smart Minds Box Set is the ultimate way to enhance your deductive reasoning and memory. With four levels of difficulty, from simple to killer, these engaging puzzles are perfect for any occasion—whether commuting or relaxing. Each book includes solutions and a user-friendly layout, making it easy to fill in grids and challenge your mind. Challenge your brain with this Sudoku box set! Four difficulty levels from simple to killer, offering a challenge for all. Boosts deductive skills and enhances memory through engaging puzzles. Perfect for passing time while commuting or staying entertained. Each book includes solutions for easy reference and problem-solving. User-friendly layout makes filling in grids simple and enjoyable.