A digital solution for your classroom with features created with teachers and students in mind: * Perpetual license * 24 hour, 7 days a week access * No limit to the number of students accessing one title at a time * Provides a School to Home connection wherever internet is available * Easy to use * Ability to turn audio on and off * Words highlighted to match audio Use a rock to open shells. Tap, crack! Keep on trying. What's it like for sea otter pups to grow up?