"Design a visually stunning and attention-grabbing toy car for kids, exclusively using a single vibrant color to enhance its appeal. Incorporate imaginative elements that make the car visually engaging and, most importantly, include miniature figures of people seated inside the car. Your challenge is to create a product design that not only captivates children but also sparks their creativity by introducing characters within the toy car. Let your design showcase simplicity, elegance, and playfulness, ensuring it becomes an instant favorite for young minds."