The very first time you will be prompted to create a classroom and choose a
lesson plan. After that you will see a list of classrooms. You can add as many
classrooms as you need. In this account, there are 3 classrooms. Each
classroom contains many students, and you can manage them as a group.
Watch the videos in the Help section to learn more about Tynker and using the
platform. http://www.tynker.com/support/videos