US-based teacher of languages Madame (Dawn) Michael has written a really useful blog post / walkthrough of the SentenceBuilders website.
>> Here is a link to the post <<
Dawn makes it clear in her introduction that her post is not an impartial review of the website, nor is it a set of in-depth how-to videos. But it is a really useful introduction to various aspects of the SentenceBuilders site, across 4 separate videos, and it covers all of the following:
Video 1: Using Premium Resources