The basics of physics are made fun for early learners in this story that leads children through the essentials of motion in everyday life. Flex and Flash, the amazing robots featured in this narrative, learn these fundamentals of science as they spend an incredible day on their bikes: riding, racing, and then rocketing home! Children are encouraged to become super scientists with the help of these colorful and friendly robots. The bright and cheerful illustrations also add to this high-interest learning experience. Interactive elements, including activities, invite readers to have fun with the fundamentals of motion.