Unique puzzles and it's really really satisfying to see the arms move around! Maybe I am too dumb since I mostly got the puzzles by trial and error but it was still very fun to mess around with it nonetheless!
I'm glad you enjoyed the game -- you're not too dumb, it takes logic to figure out by trial and error as well! If you're interested in learning more about the ideas behind the solutions then check out my comment in reply to "CupidOfDeath" on this page.