Puntos clave: PebblesPebbles is full of charm, using well-loved classic stories to teach and reviselanguage in an appealing, child-friendly way. Level 1 concentrates onPuntos clave:PebblesPebbles is full of charm, using well-loved classic stories to teach and reviselanguage in an appealing, child-friendly way. Level 1 concentrates on listeningand speaking while Level 2 introduces simple reading and writing.