lens
How to cheats steps that will guide you to the creation of lens from starting items.
How to make lens in Little Alchemy 2?
air + air = 
pressure
earth + pressure = 
stone
water + earth = 
mud- mud + stone =
clay - water + water =
puddle - water + puddle =
pond - water + pond =
lake - water + lake =
sea 
fire + earth = 
lava- lava + sea =
primordial soup - earth + lava =
volcano - volcano + primordial soup =
life - life + clay =
human - fire + stone =
metal - metal + human =
tool - air + stone =
sand - fire + sand =
glass - glass + tool = lens