Water + Water = Lake
Lake + Lake = Ocean
Earth + Earth = Mountain
Mountain + Ocean = Island
Island + Island = Continent
Continent + Continent = Planet
Planet + Fire = Sun
Sun + Water = Rainbow
Rainbow + Earth = Pot of Gold
Earth + Wind = Dust
Dust + Earth = Planet
Planet + Planet = Star
Star + Earth = Life
Life + Earth = Human
Human + Earth = Farmer
Farmer + Earth = Field
Field + Field = Farm
Farm + Farm = Village
Village + Village = Town
Town + Town = City
City + Stone = Castle