How to build a brick birthday cake
To build a brick birthday cake, make a big pink bottom layer topped with white frosting, ring its edge with red 1×1 strawberries, stack two smaller pink layers, each with white frosting, and finish with red, blue and green candles with a yellow flame on each. It takes 45 pieces and 5 steps, for ages 7–9.
The birthday cake build at a glance
| Pieces | 45 (16 kinds) |
|---|---|
| Steps | 5 |
| Ages | 7–9 |
| Colors | red, white, pink, yellow, blue, green |
| Finished size | 8 × 8 studs, about 7.7 cm (3.0 in) tall |
| Special pieces | None: plain bricks |
Parts you need
15× red 1×1 brick
4× white 1×6 brick
3× pink 2×8 brick
3× white 2×8 brick
3× yellow 1×1 brick
2× pink 2×6 brick
2× pink 1×6 brick
2× pink 1×4 brick
2× white 1×4 brick
2× pink 1×2 brick
2× white 1×2 brick
1× white 2×6 brick
1× pink 2×4 brick
1× white 2×4 brick
1× blue 1×1 brick
1× green 1×1 brick
Step-by-step instructions
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1 Big bottom cake
A big round pink cake, then white frosting on top.
Find: 3 pink 2×8 bricks, 3 white 2×8 bricks, 2 pink 1×6 bricks, 2 white 1×6 bricks
Did you know? People have eaten birthday cakes for hundreds of years.
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2 Middle cake
Red strawberries around the edge, then a smaller pink cake with white frosting.
Find: 14 red 1×1 bricks, 2 pink 2×6 bricks, 2 white 1×6 bricks, 2 pink 1×4 bricks, 2 white 1×4 bricks, 1 white 2×6 brick
Did you know? Cakes rise in the oven because of tiny air bubbles in the batter.
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3 Top cake
The smallest pink cake with white frosting on top.
Find: 2 pink 1×2 bricks, 2 white 1×2 bricks, 1 pink 2×4 brick, 1 white 2×4 brick
Did you know? Some wedding cakes are taller than the people who eat them!
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4 Candles
Three candles: red, blue and green!
Find: 1 blue 1×1 brick, 1 green 1×1 brick, 1 red 1×1 brick
Did you know? One candle for each year: people started doing that in Germany long ago.
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5 Flames
Yellow flames on every candle. Now take a big breath and blow!
Find: 3 yellow 1×1 bricks
Did you know? If you blow out all the candles at once, they say your wish comes true.
Questions parents ask
How many pieces do you need for a brick birthday cake?
45: 15 red 1×1 bricks, 4 white 1×6 bricks, 3 pink 2×8 bricks and 13 more kinds. The full list is in “Parts you need”.
Are these birthday cake instructions free?
Yes. Every step is on this page. A print-ready PDF with the parts list and one big step per page is free by email.
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.
