Number ninjas will find plenty to love in this clever book of sudoku puzzles, vibrantly illustrated in full-colour. Bursting with 50 entertaining sudoku puzzles, this entertaining collection will level up kids' logic skills, number learning, and concentration - all while providing them with hours of entertainment. Each puzzle accompanied by delightful illustrations by Diego Funck. • Boosts number learning • Improves logical thinking • Perfect for learning outside of the classroom ABOUT THE SERIES: Arcturus' mind-bending Smart Kids! series puts young reader's math, language, observation, and logic skills to the test with classic puzzles. Featuring humorous full-color illustrations by Diego Funck, these books are perfect for kids aged 7+.