Tool is a very important element in Little Alchemy 2, and you can do nothing without Tool. You could create several combinations with Tool, such as Axe, Boiler, Butter, Clock, Computer, Flashlight, Hammer, Machine, Meat, and Wood etc. To create Tool, you need to make Life, Stone, Human, and Stone 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