How to make dam in Little Alchemy

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

1. beaver + river
2. beaver + tree
3. beaver + wood
4. river + wall

Dam Step by Step

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

1 earth + water = mud

2 air + fire = energy

3 fire + mud = brick

4 earth + energy = earthquake

5 brick + brick = wall

6 earth + earthquake = mountain

7 mountain + water = river

8 river + wall = dam

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

+ wild animal = beaver
+ river = lake