What is a building?
Buildings are elements which give a permanent bonus if the whole set of them is constructed.
What sets of buildings are there?
Every set of buildings gives certain bonuses:
The Fairy's house - additional turns and time;
The Fountain of Life - bombs on the field;
The Magic Garden - increases the maximum limit of lives;
The Magic Homestead - decreases time needed for getting resources.
What do the buildings include?
The Fairy's house or the Fountain of Life - the Path, the Garden, the Arbor, the Chapel, the House
The Magic Garden - the Flower beds, the Benches, the Lake, the Oak, the Dragon
The Magic Homestead - the Bridge, the Fence, the Dwarfs, the Statue, the Sundial
You cannot have the Fairy's house and the Fountain of Life at the same time.