In Crush the Castle 2 Players Pack Castle Builder, how do I get that material that stands in the air without falling and can't be broken? It's that brown and grey stuff.
When you're in the editor, click on the "Edit Terrain" panel (the middle one that's shaped like a hill). You'll see an option that looks like a rectangle on a hill. That's the foundations tab. Click on it and you'll find what you're looking for.