Board Game Arena

Does anyone know what the “structure set” is for the orange board variant? I can’t find it online (and can’t open PDF since they don’t have an account). I was thinking that it had to do with the bottom left corner, Where it shows that If you collect one of each type of bonuses, you get 15 points. I ...

I used the lock too (on hard/extreme). Is there a way for users to choose to have it on/off or is it permanently going to go back to home now? Thanks!