<i>An extension of the Groovy Tube Book line, this series engages younger kids with a fictional story that explores the book's topic while educating them with age-appropriate facts. With an illustrated storybook, ten toys, fun facts, and interesting photographs, Junior Groovies bring the fun of the Groovy Tube books to a whole new age group! Sturdy, foam-lined pages and chunky toys make these perfect for hours of imaginative play! </i> <p>From the engine up front to the caboose in the back, the freight train rumbles down the track. Kids learn about all the different cars on a freight train as they read this bouncing rhyme!