How to make blueprint in Little Alchemy

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

1. engineer + paper

Blueprint Step by Step

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

1 air + fire = energy

2 air + water = rain

3 earth + fire = lava

4 earth + water = mud

5 air + air = pressure

6 air + lava = stone

7 earth + rain = plant

8 air + stone = sand

9 fire + stone = metal

10 mud + plant = swamp

11 fire + sand = glass

12 energy + swamp = life

13 earth + life = human

14 glass + sand = time

15 plant + time = tree

16 human + metal = tool

17 human + tool = engineer

18 tool + tree = wood

19 pressure + wood = paper

20 engineer + paper = blueprint

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

Combinations with other elements are not yet known.