Mermaid Cake Decorating Set
A whole under the sea world, on one cake. One dome becomes an ocean island, and a little mermaid perches on top, surrounded by sea life.
The Mermaid Cake Decorating Set is one sheet of edible paper designs plus a paper cut out mermaid. Cut out the sea creatures and press them onto your waves, then pop the mermaid on top.
Please note: cake mix and icing are not included.
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Add the Complete Set and this decorating set is on us. You'll also unlock step-by-step guides for over 40 cake designs.
- Easy step-by-step guidance Mermaid Cake instructions with your purchase
- Make it your own Choose colours and add creative touches
- Same day dispatch Orders before 12pm Sydney time
- Free shipping over $65 Standard delivery Australia-wide
What's in the Mermaid Cake Decorating Set?
- One sheet of edible paper under-the-sea designs.
- A paper cut out mermaid.
- Step-by-step Mermaid Cake guide.
The mermaid is paper, so lift her off before cutting. She makes a lovely keepsake.
What do I need to make the Mermaid Cake?
Shape Tins
- 1 x Dome Shape Tin
Ingredients
- 2 packets of cake mix (about 24 serves, based on 12 serves per packet mix and how generous your slices are)
- Icing in ocean blues and greens
Optional
- Crushed biscuits for sand, pearl sprinkles, shell-shaped chocolates
Mermaid Cake recipe and guide
Bake one dome from two packet mixes, set it dome side up and ice it in ocean colours. Add the sea life designs and stand the mermaid on top.
Decorating your Mermaid Cake
Marbled ocean
Mix just enough blue through your icing to get a marble effect, or blend deep blue at the bottom into turquoise at the top for a wave look.
Beach board
Crushed Arnott's biscuits make sand. Add pearl sprinkles and chocolate shells.
Matching cupcakes
Our Mermaid Shape Toppers are made for this party.
This one's up to you. Colour your buttercream however you like.
Swipe to browse our Colour Mill colours
Want the full step-by-step guide?
Buy this set and unlock the full Mermaid guide, with every step to bake, build and decorate your cake.
- How to bake
- How to build
- How to decorate
Your unlock code is emailed as soon as you order, and it comes in your delivery too.
An Easy Mermaid Cake You Can Make at Home
Simple cake shapes, finishing details and a little imagination.
You don't need a mermaid-shaped tin or hours of sculpting a cake from scratch. Shape Tins uses simple cake shapes that come together to create the Mermaid Cake, and the Decorating Set adds the details that give it character.
Tins this cake uses
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Cylinder
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Cube
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Dome (used in this cake)
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Rectangle
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Round + Ring
- 1
Bake
Bake your cake in the Dome Shape Tin, ready to build your mermaid.
- 2
Build
Follow the step-by-step guide to bring your cake shapes together.
- 3
Decorate
Add your icing, then bring your mermaid to life with your Decorating Set.
- 4
Celebrate
Bring out your finished Mermaid Cake, take plenty of photos and enjoy sharing it at the party.
Mermaid Cake Options Compared
| Option | Approx. cost (AUD) | What you get |
|---|---|---|
| Supermarket cake plus mermaid toy | $25 to $40 | Quick, but the toy does the work. |
| Bake from scratch | $60 to $100* | Creative, but sea-life details take time. |
| Shape Tins | About $49 to $59 per cake* | A full ocean scene from one reusable tin. |
*$33.95 set plus $15 to $25 ingredients, using tins you own.
One Set of Shape Tins. So Many Cakes to Make.
Your Mermaid Cake might be the first cake you make with Shape Tins, but it doesn't have to be the last!
Instead of buying a different novelty cake tin for every birthday, Shape Tins offers reusable baking shapes you can combine in different ways to create many cake designs. With the Complete Set, you'll have all five Shape Tins to explore everything from 3D animal and character cakes to number cakes and other birthday creations.
Buy the tins once. Keep creating with them again and again.
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Mermaid Cake FAQs
Is the mermaid edible?
No, the mermaid is paper. The ocean designs are edible.
Where does the mermaid go?
Right on top. Push her gently into the middle of the dome so she perches above the waves, with the sea creatures around her. You only need the one Dome tin.
How many does it serve?
About 24 serves from two packet mixes (based on 12 serves per packet mix, depending on how generous your slices are).
Good for a pool party?
Perfect. Keep it in the shade until serving.
What goes with it?
Mermaid Shape Toppers on blue cupcakes.


























