How to make drum in Little Alchemy

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

1. leather + wood

Drum Step by Step

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

1 air + water = rain

2 air + fire = energy

3 earth + water = mud

4 earth + fire = lava

5 earth + rain = plant

6 air + lava = stone

7 air + stone = sand

8 fire + stone = metal

9 mud + plant = swamp

10 fire + sand = glass

11 metal + stone = blade

12 energy + swamp = life

13 earth + life = human

14 glass + sand = time

15 human + plant = farmer

16 plant + time = tree

17 human + metal = tool

18 farmer + life = livestock

19 livestock + mud = pig

20 tool + tree = wood

21 blade + pig = leather

22 leather + wood = drum

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

Combinations with other elements are not yet known.