Hmm, I don't see any options to use the drag and drop theme builder functions in the free version. What I do see when I attempt to load up the builder template in the free version is the following message:

"Want some ideas?
Upgrade to Make Plus and get a quick start with pre-made designer builder templates."

So in essence another useless free version that doesn't really offer me any ideas as to whether or not it will really work for my needs.