Preschoolers will build critical thinking skills and logic through problem-solving exercises, including Hidden Pictures puzzles, mazes, and more, all in an affordable, travel-friendly pad format. Preschoolers will build critical thinking skills and logic through problem-solving exercises, including Hidden Pictures puzzles, mazes, and more, all in an affordable, travel-friendly pad format. It's no secret- kids tend to learn best when they are having fun. The ability to think and reason are important steps toward school readiness, and Highlights infuses Fun with a Purpose into this essential activity. Thinking Skills is a full-color, 64-page pad designed to entertain kids and boost their confidence.