Will elaborate a bit more on this having been to two now (Dec 2015 and 2018)...both three day camps.
Day 1: Fore/aft balance drills. Evening lecture on gear by shop tech (boots mainly).
Day 2: Lateral balance drills. Video + analysis. Evening lecture on ski theory (where to shift weight, pole plant, COM location in turns, etc. Much of this information is on this website, but hearing it in person in a coherent manner is nice too).
Day 3: Vertical balance drills and put it back together. Video + analysis. Evening dinner + 'awards'
Sometime during the 3 days, they do photos with the twins, coaches, groups, etc. You can $pay$ for the photos and videos.
In truth, we did not follow this progression exactly... We sort of mashed Day 1/2 together and did Day 3 on Day 2 with work on short turns for last day.
What drills you do depends on the level skier/group you are in. Also likely the coach. One of the twins will ski with your group and offer some additional coaching. For me, this was Phil on Day 2 and Steve on Day 3 - though unfortunately I had to leave early Day 3 to make it to the airport...
Itinerary shows instruction ending at 3pm each day, but we actually skied to last chair...you can always bail early if tired, etc.
The basic premise/mentality of the camp is to "teach you to fish." That is, they are aiming for you to learn how to feel sensations and self-diagnose to continue improvement well past the camp ending. I think in this, they are successful - at least with me personally. I learned new drills in the most recent camp. They were not the same I did 3 years ago. Notably absent was less work on 1-footed skiing. Maybe it was different coach, ability, or thinking toward that type of drill. Unknown. I have used the drills from the first camp to get 'dialed-in' and intend to incorporate the new ones.
I asked a bit to see if they do moguls in the later sessions. The answer is generally no. But we did actually do some work in them on the last afternoon - about 1-2 hrs there because I requested it... then had to leave early just when things were getting good :-(
Edit to add - I enjoyed all days of the camp greatly. Day 1 we did a skating drill that really clicked with me and made the entire camp worthwhile. Day 2 and 3 were bonus after that...