Kaltura Share to Google Classroom For children: Be a good helper and remember to wash your hands often! Grades: PreK Kindergarten 1 2 3 4 5 Higher Education Subjects: Health EducationPersonal and Community Health Collection: Knowitall Healthy!Health | KnowItAll HealthyIllness Prevention | KnowItAll HealthyHand Hygiene Day Series: Meet the Helpers