Over 550,000 copies sold! Ultimate Puzzle Challenge is filled with brain-twisting fun and ultra-challenging puzzles, expertly crafted for the most experienced puzzlers. With more than 125 puzzles inside, this collection features Hidden Pictures puzzles, mazes, Sudoku, word searches, crisscrosses, logic puzzles and more. From the puzzle experts at Highlights, this 256-page book includes our most challenging--and most rewarding--puzzles yet. A perfect activity book for kids ages 8-12, this collection is designed for super-solvers who are ready to up their game. This book is bursting with mind-bending visual puzzles, challenges and games, all infused with playful humor that will make kids want to keep on puzzling. With full-color illustrations and brilliant photos, this puzzle book is sure to please, and offers hours of screen-free fun at home or on the go. Solving brain puzzles is more than entertaining. It's a great way for kids to hone their concentration and reasoning skills, challenging them to work with determination and focus to achieve their goals. Plus, kids will love tackling these ingenious puzzles alongside friends and family as a fun and memorable shared activity.