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Harley Quinn Costume Kids

Fail

Demand is soft, at -86.2% this quarter, so Harley Quinn Costume Kids is a Fail.

Flapen Score
33
33 / 100
Ranks 21 of 25 Everything Else niches · −10 vs the category median of 43
Market size
£36K/yr187K searches / yr
90-day growth
-86.2%search demand this quarter
Competition
81%top-5 click share · 8 brands · 24 sellers

Flapen Score

Harley Quinn Costume Kids against its category

The dotted line is the Everything Else average. Past it, Harley Quinn Costume Kids is stronger. Inside it, weaker.

33Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Harley Quinn Costume Kids market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for Harley Quinn Costume Kids 187K times last year and spent an estimated £36K. The top 5 brands take 94% of clicks. Demand peaks in Oct–Nov. Flapen scores it 33 out of 100, a Fail.

01 · Demand

An estimated 1.2% of those searches ended in a purchase.

Shoppers searched for this 187K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 1.2% of those searches ended in a purchase. Searches in the last 90 days moved -86.2% against the 90 days before. Searches, conversion and average price together put the market at an estimated £36K a year.

Searches, last 12 months
187K
Growth, 90 days vs prior 90
-86.2%
Conversion, latest week
1.2%
Market size, estimated
£36Ka year
Peak month
October215.2× the quietest month
Top search term
harley quinn costume kids145K searches a year

02 · Price

A sale here is worth £16.34.

Listings sell for £16.34 on average, from £5.43 to £33.67. Amazon reports units sold in ranges. This niche sold 2K to 2K a year. The average listing sells 0 to 100 of them. At £16.34 that is £0 to £2K a year per listing.

Average price
£16.34inside the $15 to $100 sweet spot
Price range
£5.43–£33.67
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
2K–2K
Units per listing a year
0–100
Revenue per listing a year
£0–£2K
Returns
2.0%of orders · Amazon United Kingdom median 0.6%

03 · Entry bar

The bar here is low.

64% of listings pay for placement with sponsored ads. 82% ship with Prime. On an average day, 14.6% of listings are out of stock. The average listing ranks #2,819 within Everything Else. It carries 549 reviews at 4.17 stars, so a new listing needs social proof before a better product.

Sponsored listings
64%
Prime listings
82%
Out of stock, average day
14.6%
Average rank
#2,819in Everything Else
Average rating
4.17 starsAmazon United Kingdom average 4.36 stars
Average reviews
549per listing
Listings tracked
11

04 · Newcomers

0 of last year's 6 launches cleared the first-year sales bar.

6 products launched here in the last 12 months. 0 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 31 months on average, so a newcomer is not facing entrenched names.

Launched, last 12 months
6
Successful launches
0Amazon's first-year sales bar
Average brand age
31 months

Products

Top Harley Quinn Costume Kids products & what they sell for

The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.

Prices and ratings read from Amazon on Jul 23, 2026. The live listing can differ.

Competition

Competition: brands, sellers & click share

The top 5 products take an estimated 81% of clicks. A locked shelf that new listings rarely crack.

£0£4K£7K£11K£14K1101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

8 rising

Sellers

24

Est. top-5 brand share

94%

Top 20: 100%

Est. top-5 click share

81%

Top 20: 100%

Open market

3%

  • UxClishe31%
  • Kitimi28%
  • Rubies25%
  • Ficlwigkis6%
  • KAZGVN5%
  • JrnSvp2%
  • Open — no brand owns it (2 brands, 3%)

Demand

Harley Quinn Costume Kids search demand

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

100K60KSpike '24Spike '25Prime Day '25Spike '26Prime Day '26SepDecMarJunAugNovMarMay

Peak months: Oct, Nov · busiest ÷ quietest = 215.2×

Search terms

Top Harley Quinn Costume Kids search terms shoppers use

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

  • harley quinn costume kids145K/yr
  • kids harley quinn costume15K/yr
  • harley quinn costume kids 11-127K/yr
  • harlequin costume kids9K/yr
  • harley quinn kids costume5K/yr
  • girls harley quinn costume6K/yr

Reviews and returns

What reviews say buyers love and hate about Harley Quinn Costume Kids

We read the reviews and the return reasons for every product selling here.

50%of positive reviews mention “Size-Overall”
25%of negative reviews mention “Size-Overall”
2.0%of orders come back
“Inflateable not very big”
A buyer, on “Size-Overall”25% of negative reviews mention the same topic

Every topic

Every topic buyers talk about, one row each.

Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.

8 topics

NegativePositive

FAQ

Common Harley Quinn Costume Kids questions

Answered from the same tracked data.

Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data