El cerdito va a la playa y va bien acompañado: dos gatos blancos, tres perros con manchas, y cuatro conejos van con él en su tren. Una historia para aprender a contar. In this illustrated book for little children, the pig is conducting his train and taking some friends to the beach. His friends include 2 white cats, 3 spotted dogs and 4 rabbits. A story for learning to count.