Join Otis on his most inventive adventure yet as he discovers the amazing world of machines and engineering! This engaging adventure combines the excitement of chain reaction machines with hands-on learning about simple machines. Young readers will discover how pulleys lift heavy objects, how gears multiply force, and how springs store energy - all while following Otis's journey from inspiration to incredible invention.Perfect for curious minds who love to build, create, and dream big! This inspiring story shows children that with imagination, persistence, and a little engineering know-how, they can turn any idea into reality.