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 Tractor works hard all day on the farm. At the end of the day, he is tired and dirty. Thankfully his friends are ready to help him relax.