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Mermaid Costume Kids

Fail

Demand is soft, at -27.0% this quarter, so Mermaid Costume Kids is a Fail.

Flapen Score
45
45 / 100
Ranks 1,513 of 2,461 Fashion niches · −3 vs the category median of 48
Market size
£64K/yr311K searches / yr
90-day growth
-27.0%search demand this quarter
Competition
45%top-5 click share · 22 brands · 28 sellers

Flapen Score

Mermaid Costume Kids against its category

The dotted line is the Fashion average. Past it, Mermaid Costume Kids is stronger. Inside it, weaker.

45Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Mermaid Costume Kids market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for Mermaid Costume Kids 311K times last year and spent an estimated £64K. The top 5 brands take 65% of clicks. Demand peaks in Mar–Oct. Flapen scores it 45 out of 100, a Fail.

01 · Demand

1.7% of searches ended in a purchase last week.

Shoppers searched for this 311K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. In the latest week, 1.7% of those searches ended in a purchase. Searches in the last 90 days moved -27.0% against the 90 days before. Searches, conversion and average price together put the market at an estimated £64K a year.

Searches, last 12 months
311K
Growth, 90 days vs prior 90
-27.0%
Conversion, latest week
1.7%
Market size, estimated
£64Ka year
Peak month
March3.3× the quietest month
Top search term
mermaid costume kids127K searches a year

02 · Price

A sale here is worth £11.88.

Listings sell for £11.88 on average, from £7.13 to £29.58. Amazon reports units sold in ranges. This niche sold 4K to 5K a year. The average listing sells 100 to 250 of them. At £11.88 that is £1K to £3K a year per listing.

Average price
£11.88under the $15 to $100 sweet spot
Price range
£7.13–£29.58
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
4K–5K
Units per listing a year
100–250
Revenue per listing a year
£1K–£3K
Returns
3.0%of orders · Amazon United Kingdom median 0.6%

03 · Entry bar

The bar here is ads.

90% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 10.1% of listings are out of stock. The average listing ranks #429 within Girls. It carries 306 reviews at 4.33 stars, so a new listing needs social proof before a better product.

Sponsored listings
90%
Prime listings
100%
Out of stock, average day
10.1%
Average rank
#429in Girls
Average rating
4.33 starsAmazon United Kingdom average 4.36 stars
Average reviews
306per listing
Listings tracked
42

04 · Newcomers

Amazon counts 0 of last year's 9 launches as successful.

9 products launched here in the last 12 months. Amazon counts 0 of them as successful launches, new products that hit its first-year sales bar. The brands on the shelf have sold for 33 months on average, so a newcomer is not facing entrenched names.

Launched, last 12 months
9
Successful launches
0Amazon's first-year sales bar
Average brand age
33 months

Products

Top Mermaid Costume Kids products & what they sell for

Every tracked product: its share of the shelf, its reviews, and its price.

Competition

Competition: brands, sellers & click share

The top 5 products take 45% of clicks. Leaders hold, but buyers still shop past them.

£0£3K£5K£8K£10K1101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

22 rising

Sellers

28

Top-5 brand share

65%

Top 20: 98%

Top-5 click share

45%

Top 20: 78%

Open market

28%

  • AOOWU16%
  • KumSoomliy16%
  • MELAND15%
  • BSBUY10%
  • Kids4ever8%
  • AYBUY6%

Demand

Mermaid Costume Kids search demand

Weekly searches over the year, seasonality beneath. Pick a range.

23K18KSpike '24Spike '25Prime Day '25Spike '26Prime Day '26SepDecMarJunAugNovMarMay

Peak months: Mar, Oct · busiest ÷ quietest = 3.3×

Search terms

Top Mermaid Costume Kids search terms shoppers use

The exact words shoppers type, with yearly volume, growth, and conversion.

  • mermaid costume kids127K/yr
  • mermaid costume31K/yr
  • mermaid dress20K/yr
  • mermaid dress for girls9K/yr
  • little mermaid costume kids23K/yr
  • ariel costume kids22K/yr
  • kids mermaid costume10K/yr
  • mermaid outfit7K/yr
  • mermaid costumes6K/yr
  • ariel costume11K/yr

Reviews and returns

What reviews say buyers love and hate about Mermaid Costume Kids

What buyers praise, what they complain about and why they send it back, from the reviews.

Complain

Quality-Overall52%−0.30

Awful quality

Avoid, cheap quality broke in first 3 hrs

The item isnt worth the money por quality

Size-Overall13%+1.05

Tail is quite long though

seems a little large although my granddaughter is on the small side

Very tight fitting

Durability8%−0.02

The crown and wand have already snapped after only a few times using them

the wand broke within 3 hrs

had for a few week and the dress has literally fell apart

Material Quality7%−0.02

Cheap material

Adhesion/Stickiness2%

Only downside is some of the jewellery needs glueing back together i. e the earrings

Love

Size-Overall20%+1.05

Fited brilliant

Dress is as expected and fits

true to size

Value For Money20%+2.03

she loved it lots of accessories too included good value for money

Great value

Good value

Quality-Overall16%−0.30

Really good quality

Beautiful little costume, quality and great value for money

Quality

Color7%+0.30

colour

Great colour party dress good quality

The colours are great

Soft Feel6%

Really soft and good quality

The soft inner cotton lining is a particularly practical feature

I was pleasantly surprised by the quality—theyre soft, well made, and have held up really well

Return

3.0% Return rate 85% Fixable by listing

Size-Overall82%██▇▆▆▇

Tail is quite long though

seems a little large although my granddaughter is on the small side

Very tight fitting

Quality-Overall7%▆▃▃█▆▂

Awful quality

Avoid, cheap quality broke in first 3 hrs

The item isnt worth the money por quality

Material Quality3%▁▁▃▃▅█

Cheap material

Defective Material/Parts3%▁▄▃▅█▂
Thin1%▁▁▅▁▁█

FAQ

Common Mermaid Costume Kids questions

Answered from the same tracked data.