The document contains instructions for building a LEGO model using pieces from 4 bags. It lists the pieces needed at each step by number, color, and quantity and indicates when to switch to the next bag of pieces. A total of 16 pieces are used to complete the model over 9 building steps.

1. 2x
BAG 4
4

2. 4x
1x
Dark grey
1
2x
Dark grey
2
BAG 4
2

3. 4x
Transp. blue
3
4x
Dark grey
4
BAG 4
3

4. 4x
Dark grey
5
4x
Dark grey
6
BAG 4
4

5. 8x
Medium grey
7
4x
8
BAG 4
5

6. 1x
Dark grey
9
2x
Dark grey
10
BAG 4
6

7. 4x
Transp. blue
11
4x
Dark grey
12
BAG 4
7

8. 4x
Dark grey
13
4x
Dark grey
14
BAG 4
8

9. 4x
Transp. Red
15
16
BAG 4
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