Is mermaid cake topper profitable to sell on Amazon United Kingdom?

The niche generates £43K/yr across 24 tracked products. 0 of 11 products launched in the last 360 days are still selling. 90-day search growth is +15.6%. Flapen's verdict: Worth a look (51/100).

How competitive is the mermaid cake topper niche?

20 brands and 24 sellers compete. The top 5 products take 52% of clicks and top 5 brands hold 60% of demand.

What do buyers complain about in mermaid cake topper?

Top complaints mined from reviews: Quality-Overall, Advertised Vs Actual Product, Size-Overall. The return rate is 1.1%.

When does demand for mermaid cake topper peak?

Demand peaks in Sep; the busiest month runs 2.3× the quietest.

What does it cost to enter the mermaid cake topper niche?

Listings span £2.68–£12.39; the average listing price is £7.68 (sweet spot $15–$100). The average incumbent carries 160 reviews — the moat a new listing must climb.

mermaid cake topper

Worth a look

Shows low returns (1.1%), but prices mostly outside the sweet spot ($2.68–$12.39) keeps it on the watch list.

Returns

Great1.1%

return rate — above 5% kills the launch gate

Review moat

Great159.5

avg incumbent reviews — the moat a new listing must climb

Brand share

Great60%

top-5 brand share — no brand owns this niche

Conversion

Good5.2%

search→purchase rate — share of searches ending in a sale

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Competition

Good52%

top-5 click share — leaders hold, buyers still browse

Growth

Okay+15.6%

90-day search growth — must beat 0% to launch

Avg price

Bad£7.68

avg listing price — sweet spot $15–$100

Market size

Bad£43K

£43K/yr · 106K searches

Price range

Bad£2.68–£12.39

cheapest to priciest tracked listing — scored on the share inside $15–$100

According to Flapen's Amazon United Kingdom niche tracking, mermaid cake topper is a £43K/yr Amazon United Kingdom market (106K searches/yr). The top 5 brands hold 60% of demand. Demand peaks in Sep. Verdict: Worth a look — 51/100.

Data updated Jul 24, 2026 · scored weekly · How we score niches

mermaid cake topper market data

Units sold / yr: 4K–5K; avg 100–250/product
Revenue / yr: £31K–£38K; units × avg price
Conversion rate: 5.2%
Avg BSR: #786
Page quality: 0%
Prime: 100%
Sponsored: 67%
Out of stock: 21.4%
Avg brand age: 30 months
Avg seller age: 193 days

Competition & brand share

The top 5 products take 52% of clicks — established leaders, but buyers still shop beyond them.

Brands

20 falling

Sellers

Top-5 brand share

60%

Top 20: 100%

Top-5 click share

52%

Top 20: 94%

Open market

36%

Ptyism25%
OSDUE13%
Toyhood11%
GSrenyu5%
QMLING5%
Bake Box Boutique5%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +15.6% search growth over the last 90 days.

Peak months: Sep · busiest ÷ quietest = 2.3×

Open Trend

Top mermaid cake topper search terms

mermaid cake decorations45K/yr +20.7%3.9% conv.
mermaid cake topper28K/yr +26.2%3.4% conv.
mermaid cake toppers9K/yr -0.3%2.8% conv.
mermaid cake decorations edible4K/yr +1.0%2.8% conv.
ariel cake topper4K/yr +13.2%1.0% conv.
mermaid cake toppers for girls4K/yr -5.8%2.4% conv.
mermaid cake3K/yr +19.1%2.0% conv.
edible mermaid cake decorations4K/yr +22.6%1.3% conv.
little mermaid cake topper4K/yr -26.7%2.0% conv.

All search terms

Top mermaid cake topper products on Amazon

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted

All 24 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Ptyism 34 Pcs Mermaid Cake TopperMermaid Cake DecorationsMermaid Cupcake ToppersMermaid Cake Toppers for Girls Mermaid Theme Party Cake Decorations etc

Ptyism£8.314.7★674 rev

OSDUE 12PCS Mermaid Cake Toppers Mermaid Theme Party Decorations Mermaid Figures Happy Birthday Banner Cake Decors Birthday Shower Party Supplies

OSDUE£3.354.5★727 rev

Toyhood 26Pcs Mermaid Theme Cake Decorations Colorful Ball Cake Topper Ocean Party Mermaid Seashell Sea Star Birthday Decorations for Birthday Baby Shower Wedding Party

Toyhood£6.564.5★13 rev

GSrenyu 35 PCS Mermaid Cake Topper Decoration Set with Mermaid Tails Mini Pearl Balls Happy Birthday Topper Seaweed Cupcake Decoration for Girls Birthday Mermaid Ocean Themed Party

GSrenyu£8.884.5★11 rev

QMLING Mermaid Cake Decorations for Girls: 42 PCS Mermaid Cake Toppers Set Seashell Tail Sea Star for Girls Birthday Mermaid Theme Party

QMLING£7.204.7★4 rev

Newest

by launch date

33Pcs Mermaid Cake Topper Mermaid Birthday Cake Decoration Set

Vetin£8.851 rev

2mo ago

8 Pcs Mermaid Doll Cake Topper Cupcake Toppers Birthday Topper Decorations Girls Figurines Miniature Mermaid Ornaments for DIY Cake Decoration Mermaid Theme Party Decoration Arts Crafts

Fipfovpa£7.732 rev

4mo ago

Tyotrbs 24Pcs Mermaid Cake TopperMermaid Cake DecorationsMermaid Cupcake ToppersMermaid Cake Toppers for Girls Mermaid Theme Party Cake Decorations etc

Tyotrbs£8.034 rev

5mo ago

28PCS Mermaid Cake Topper Set Under the Sea Cake Decorations Seashell Cakes decorations with Mermaid Tails Starfish Seashell Coral Seaweed for Ocean Theme Birthday Party Cakes Cupcake Decor (Mermaid)

GLGHMH£10.752 rev

5mo ago

Mermaid Tail Cake Topper Under the Sea Cake Decoration Seashell Cake Topper Mermaid Tail Cake Topper Mermaid Party Supplies

Roaring Good Time£10.674 rev

6mo ago

What buyers say about mermaid cake topper

What buyers praise and complain about, mined from review topics.

What buyers love

Quality-Overall23%

“Good quality - surprisingly detailed”

Color12%

“Pretty”

Value For Money11%

“Great value”

Baking10%

“Great cake decorations”

Ease Of Use7%

“Pretty and lots to use”

Advertised Vs Actual Product5%

“True to the images”

Crispiness4%

“Cute & crunchy”

Size-Overall4%

“Good size and quality”

Gifting Purpose3%

“Ideal for birthday cakes”

Strength3%

“not flimsy at all”

What buyers complain about

Quality-Overall27%

“consistency of the figures are somewhat disappointing for the £8.99 price tag”

Advertised Vs Actual Product25%

“Misleading”

Size-Overall13%

“Nice Set, Not Large as Initially Thought”

Weight Heavy13%

“They were bit heavy the wouldnt stay standing on the cake”

Durability6%

“One of the figures broke in two before use”

Adhesion/Stickiness4%

“however the Happy Birthday topper stick was too delicate”

Strength2%

“although some did have some balance issues”

Shape/Style2%

“the styles are different: four in one design”

Top return reasons

Quality-Overall30%

Size-Overall13%

Value For Money11%

Advertised Vs Actual Product9%

Defective Material/Parts7%

Material Quality7%

Smell4%

Compatibility-Overall4%