How to make oil in Little Alchemy

To make oil in Little Alchemy you have to combine this elements:

1. pressure + sunflower

Oil Step by Step

How do I combine the necessary elements to create oil in Little Alchemy?
Here we show you the walkthrough, just follow the steps below:

1 air + air = pressure

2 air + water = rain

3 fire + water = steam

4 earth + rain = plant

5 air + steam = cloud

6 air + cloud = sky

7 fire + sky = Sun

8 plant + Sun = sunflower

9 pressure + sunflower = oil

Below you can see a video tutorial on how to make oil in Little Alchemy: