Over 450,000 copies sold!Tackle 144 pages of the most difficult Hidden Pictures puzzles EVER in this advanced seek-and-find book that puts puzzling skills to the test. This book ramps up the difficulty level for puzzlers ages 8-12 who are ready for a greater challenge and more satisfying seek and find fun! Kids will love trying to spot over 1,500 hidden objects in 80+ ultra-challenging puzzles - some with scrambled clues or no clues at all!The Hardest Hidden Pictures Book Ever delivers hours of screen-free fun, great for keeping kids engaged during road trips or rainy afternoons at home. It's a perfect travel activity book! Plus, this collection is crafted by puzzle experts to include learning benefits parents can count on. Searching for hidden objects is a great way for kids to develop important school skills like:- vocabulary- concentration- attention to detail- visual perception and moreEvery puzzle solved will boost kids' confidence and encourage them to take on new challenges. Kids (and grown-ups, too) will need to keep their eyes peeled searching through hilarious scenes like sloths playing ping pong, dogs enjoying a fiesta and a fishy carnival. There are both full-color and classic black-and-white brain games to solve, each one created to bring meaningful benefits and maximum fun!