A massive number search puzzle book which can be enjoyed by all ages 500 challenging number searches for your enjoyment! Word searches are great, but you already know that for a real challenge, number searches are the way to go. Exercise your brain and pattern recognition skills with 500 number search puzzles. For ease of use, each puzzle is listed on its own page. Large print lettering has been used throughout the book. As a result, this puzzle book can also be enjoyed by seniors or people with eyesight issues. Makes a wonderful gift for number search fans of any age from children, teens, parents to grandparents. Features:500 challenging number searches, incredible value Over 10,000 numbers to search for Soft, matte cover Paperback Spacious 8.5" x 11" size One puzzle per page Large font/large print