Most Popular Sudoku is and a very excellent way for kids to develop their logic skills while having fun. 6-10 ages for Beginners Level: Easy Puzzles are a great activity for kids. 80 Puzzles with Answer Pages at the back.This paperback book is 8.5" x 11" (A4 size) and has a total 100 pages. Great for: Traveling Sports Car Rides Christmas Stocking Stuffers & Gift Baskets Birthday & Christmas Gifts Graduation...