CodeREV reached out to me and got the issue resolved - originally I was very concerned about the number of kids in the class as well as the wide variety of experience. I got a different instructor, much smaller class size, and the kids are of similar experience with Minecraft (beginners) and of appropriate age group. The second experience was night and day, my son was really enjoying himself and learning a lot. I would very much recommend the second, smaller class with kids of similar experience and age. Before you sign up, it may be helpful to check how many participants are in the class and level of experience, as the description may not be accurate or sufficient. Also, when the child is actually in the class, check that the number of participants actually does not exceed the number promised in the description. Re: age - even kids in the same age group, if someone has been playing Minecraft for a year vs. a beginner, the instructor will speak about "coordinates" - a younger child who's just starting may not understand what is a coordinate. Also, the instructor will dictate lines of code including symbols such as a tilda - in a large class, it's very difficult to explain over the screen on what is a tilda to someone who has never heard of a tilda before (nor seen it), and didn't understand that they would need to keep on pressing the shift sign while pressing the tilda key (and that's only after the child finds the shift key AND the tilda key... and had to keep on interrupting a working parent who of course was in the middle of a work conference video). This would be a five-star review, except the beginning was so frustrating and I wish that wasn't the case, but I'm glad they recovered well and I wanted to give the second instructor a huge credit for that.