Glad you're enjoying it!
In the macro mode, mining regular grassy terrain also gives you 10 stone:
If you want to build without any resource requirements, there's also a creative mode in the extras menu:
oh, now i get it!! thanks so much for the reply. yes, I'm LOVING the game, just beat the storm king and you can view my first macro freebuild island here 🥳 https://skylandgame.io/sr/inspect?d=River_Temple