Large Print Easy Kakuro Puzzle Books For kids. A KAKURO puzzle is constructed on a crossword grid just like a standard crossword, but the digits 1 to 9 are used instead of the letters of the alphabet. In a standard Kakuro puzzle, the Across and Down clues are simply the sums of the digits in the across and down words. The rules of Kakuro are simple: 1. Each cell can contain numbers from 1 through 9 2. The clues in the black cells tells the sum of the numbers next to that clue. (on the right or down) 3. The numbers in consecutive white cells must be unique. Book Features: This book contains 100 classic easy 3x3 Kakuro puzzles Large and Easy To Read Font, solving could be easy Kakuro grids are large, very easy to read, and fill out. An answer key for those kakuro puzzle are found after the puzzle pages Puzzles are printed on high quality white paper 6 x 9 inches paper size A simple instructions for you to teach your kid If you like Sudoku and other logic puzzles, you will love Kakuro Puzzle as well! If you'd like to boost the performance of your children's brain and Enhance the effectiveness of your children's brain function, you should use this Kakuko puzzle books. Choose your book today by clicking on the BUY NOW button at the top of this page.