Originally Posted by
SpiritWind00
Buildings that can be upgraded to Level 7:
Jeweler, Spire, Farmhouse, Cottage, Sawmill, Sparkling Mine, Deep Mine, Lantern Spire, Watchtower, Library, Cathedral, Observatory, Conservatory, Theater, Amphitheater, Market Place, Tavern, Stable, Hatchery, Windmill, and any versions of these buildings that can be made in the Builder's Guild.
summary on new drops:
L7 farmhouse - corn, tomato
L7 cottage - cocoa beans
L7 marketplace - tomato, glimmerbulb
L7 toadstool cottage - mushrooms, wheat, sugarcane