Electricity is the necessary element for the any elements associated with modern life, such as Aurora, Battery, Chainsaw, Electric Car, Life, Lightning, etc. You have several ways to make electricity in Little Alchemy 2, but we are sure the combinations of Sun plus Solar Cell is the easiest method. See out detailed instructions from the basic elements below.
Earth + Earth = Land
Land + Land = Continent
Continent + Continent = Planet
Planet + Fire = Sun
Fire + Fire = Energy
Sun + Energy = Solar Cell
Sun + Solar Cell = Electricity