1Kick off fun and educational learning for your 3 - 5 year old with this book of easy hidden picture puzzles for preschool kids! This is a shape-hunting treasure trove that is simple but fun, designed specifically to prevent learning frustration with younger children. Hidden picture puzzle books teach shape recognition, attention to detail, and help develop short term memory skills. All of Woo! Jr. Kids Activities children's game books are based on 11+ years of publishing your favorite screen free activities. With over 50 million website visitors, we know what parents and teachers love to do with their children and students!