Sudoku for Smart Kids, all ages! #it's_BrainCandyThis book contains over 100 Sudoku puzzles of varying sizes and difficulties to get you to solve puzzles in no time!· 100+ Sudoku puzzles of varying sizes· 6x6 and 9x9 puzzles· different difficulty levels· Detailed, step-by-step instructions written to teach someone who has never even heard of Sudoku how to solve one!· Designed for kids five and older, but great for beginners of all ages!· Great gift, and a great travel book for a long car or plane ride· Clean and easy-to-read in a comfortable layout, no crammed pages· The back of the page is specially designed for sketches· Diploma/ Certificate This is a great way to teach children how to have fun with numbers at a young age, instead of growing up intimidated by them! This book is designed for all ages and complexity levels, from beginner to expert. It should provide enough difficulty as the book progresses to keep even older kids challenged and amused.A perfect learning activity workbook for kids of all ages, for their fun & exciting learning and brain development.