First, create your lesson, then edit it with the website builder. You'll be able to drop building blocks on your page and edit them.

First, upload your videos on YouTube and mark them as unlisted. This way, they will be secured.

What does unlisted means? The YouTube "unlisted" means it is a video which can be viewed only by the users with the link to it. Your video will never come up in the search results nor on your channel.

With Quizzes you can keep your students focused and motivated by answering some questions and gaining some karma points