Metal is another very important element in Little Alchemy 2, and it is necessary to create those modern elements or machines, such as Airplane, Bridge, Cage, Cauldron, Chain, Gold, Gun, Motorcycle, and Steel etc. The progress of creating Metal is not easy, you have to create Life, Stone, Human, Tool, Hammer first. See the detailed instructions below.
Fire + Earth = Lava
Lava + Earth = Volcano
Water + Water = Puddle
Water + Puddle = Pond
Water + Pond = Lake
Lake + Lake = Sea
Earth + Sea = Primordial Soup
Volcano + Primordial Soup = Life
Earth + Water = Mud
Air + Air = Pressure
Earth + Pressure = Stone
Air + Stone = Sand
Sand + Mud = Clay
Clay + Life = Human
Human + Stone = Tool
Tool + Stone = Hammer
Hammer + Earth = Ore
Ore + Fire = Metal