You can play the puzzles in this book on your mobile phone! Wordoku is Sudoku with letters. Wordoku is an ideal way to introduce your child to the world of letters and logic. Wordoku is ideal to introduce your child to inequality signs and logical thinking. Wordoku teaches your child logical thinking and deductive reasoning skills, even at a young age. Wordoku improves critical thinking and making quick decisions based upon available evidence. Wordoku is a brain game that helps to train the brain of your child. In addition, Wordoku demands attention to detail - noticing patterns, spotting opportunities, and finding the right moment to make a move. Wordoku is not only fun and interesting - it might just help prepare your kids for better success in school and in life. Only 1 large print puzzle per page, with lots of white space for scribbling. Wordoku For Kids 8x8 - Easy to Hard is a collection of 145 puzzle: 16 easy Wordoku puzzle per grid size (8x8, 9x9), totaling 52 easy puzzle 36 medium Wordoku puzzle per grid size (8x8, 9x9), totaling 36 medium puzzle 36 hard Wordoku puzzle per grid size (8x8, 9x9), totaling 36 hard puzzle 21 extra logic puzzle The goal of Wordoku is to fill in the empty cells, one letter in each, so that each column, row, and region contains each letter exactly once. I guarantee that every logic puzzle in this Wordoku puzzle book has been carefully checked to ensure that each puzzle has only 1 solution. None of the puzzle in this book will appear in any of the other English PuzzleBooks.net books. Wordoku is also known as Wordoku, Alphabet Sudoku, Word Sudoku.