Tris y Tras, los protagonistas de esta historia, son dos hámsteres que enseñarán a los más pequeños sus hábitos de cada día. Un libro con mecanismos móviles para conocer de cerca y de una manera lúdica los hábitos de uno de los animales domésticosmás populares.Cookie and Nougat are the stars of this story. A pair of hamsters teach young children through their lively games. To follow the adventures of these little rodents, children have to pull the tabs to make their animal friends pass through the tunnels, lift the flaps to make them climb the stairs and run in a wheel. A fun way to learn new skills and to know more about the habits of one of the most popular children?s pets.A book to help children learn how to care for their pets.