How to make ozone in Little Alchemy

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

1. electricity + oxygen
2. electricity + electricity

Ozone Step by Step

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

1 air + water = rain

2 fire + water = steam

3 earth + rain = plant

4 air + steam = cloud

5 air + cloud = sky

6 fire + sky = Sun

7 plant + Sun = oxygen

8 oxygen + oxygen = ozone

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

Combinations with other elements are not yet known.