How to build a brick submarine
To build a brick submarine, put two long gray bricks end to end for the belly, add three dark blue bricks on top with both ends low, stack a black tower near the front with two tiny periscopes, then a flat black plate and two small black bricks for the tail fin. 12 pieces, 4 steps, ages 4–6.
The submarine build at a glance
| Pieces | 12 (6 kinds) |
|---|---|
| Steps | 4 |
| Ages | 4–6 |
| Colors | dark blue, light gray, black |
| Finished size | 16 × 4 studs, about 4.8 cm (1.9 in) tall |
| Special pieces | None: plain bricks and plates |
Parts you need
3× dark blue 2×4 brick
2× light gray 2×8 brick
2× black 2×2 brick
2× black 1×2 brick
2× black 1×1 brick
1× black 1×4 plate
Step-by-step instructions
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1 The long hull bottom
Put two long gray bricks end to end — that's the submarine's belly!
Find: 2 light gray 2×8 bricks, 1 dark blue 2×4 brick
Did you know? A real submarine can be longer than a football field.
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2 The dark top of the hull
Add three dark blue bricks on top, leaving both ends low.
Find: 2 dark blue 2×4 bricks
Did you know? Submarines fill tanks with water to sink and blow air in to float up.
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3 The tall tower
Stack two black squares near the front, then add two tiny periscopes!
Find: 2 black 2×2 bricks, 2 black 1×1 bricks
Did you know? Sailors use periscopes to peek above the water while the sub hides below.
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4 The tail fin
Lay a flat black plate across the back, then stack two small black bricks.
Find: 2 black 1×2 bricks, 1 black 1×4 plate
Did you know? The tail fin, called a rudder, helps the submarine turn left and right.
Questions parents ask
How many pieces do you need for a brick submarine?
12: 3 dark blue 2×4 bricks, 2 light gray 2×8 bricks, 2 black 2×2 bricks and 3 more kinds. The full list is in “Parts you need”.
Are these submarine instructions free?
Yes. Every step is on this page.
What if I’m missing a color?
Use a brick of the same size in another color. The shapes hold the model together; the colors are only for looks.
