Challenging and Fun Sudoku Puzzles for Clever Kids!Sudoku is one of the best ways for kids to improve their memory, increase concentration levels and have a lot of fun at the same time. This book contains classic 9x9 Sudoku puzzles, each with one unique solution.Each puzzle has special timer fields that allow your kids to track their progress and see how quickly their skills improve.Order now and offer your kids the chance to develop amazing logic skills and improve their thinking in a fun and entertaining way!