Harley Quinn Costume Kids
FailDemand is soft, at -86.2% this quarter, so Harley Quinn Costume Kids is a Fail.
- Flapen Score
- 33 / 100Ranks 21 of 25 Everything Else niches · −10 vs the category median of 4333
- 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.
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.
Top sellers
by estimated 90-day click share
Rubies Official Harley Quinn Suicide Squad Inflatable Baseball Bat Lightweight Prop for Kids & Teens
- Price
- £5.43
- Rating
- 4.3/5
- Reviews
- 4,157
- Age
- 10y ago

UxClishe 6 Pcs Costume Set Costume Outfit Cosplay Fancy Dress with Jacket T-shirt Shorts Glove Necklace Temporary Tattoos Costume Kit for World Book Day Halloween Carnival Party
- Price
- £12.50
- Rating
- 3.6/5
- Reviews
- 4
- Age
- 7mo ago

Kitimi Costumes Kids Fancy Dress Carnival Halloween Villain Costume Include Jacket T-shirt Shorts Choker Bat and Glove for Halloween Carnival Cosplay(120)
- Price
- £18.04
- Rating
- 4.3/5
- Reviews
- 5
- Age
- 1y ago

UxClishe 6 Pcs Costume Set Costume Outfit Cosplay Fancy Dress with Jacket T-shirt Shorts Glove Necklace Temporary Tattoos Costume Kit for World Book Day Halloween Carnival Party
- Price
- £12.64
- Rating
- 3.6/5
- Reviews
- 4
- Age
- 7mo ago

Ficlwigkis Halloween Costume Women Girls Kids Fancy Dress with Jacket T-Shirt Shorts Gloves Necklace Belt Wig Tattoo (Kids 150)
- Price
- £22.82
- Rating
- 4.2/5
- Reviews
- 5
- Age
- 1y ago
Trending
estimated 90-day click momentum
Girls Harley Quinn Vest Crop Top and Hot Pants Set Red Blue 5-6 years
- Price
- £9.98
- Rating
- 4.7/5
- Reviews
- 4
- Age
- 1y ago

UxClishe 6 Pcs Costume Set Costume Outfit Cosplay Fancy Dress with Jacket T-shirt Shorts Glove Necklace Temporary Tattoos Costume Kit for World Book Day Halloween Carnival Party
- Price
- £12.64
- Rating
- 3.6/5
- Reviews
- 4
- Age
- 7mo ago

Rubies Official Harley Quinn Suicide Squad Inflatable Baseball Bat Lightweight Prop for Kids & Teens
- Price
- £5.43
- Rating
- 4.3/5
- Reviews
- 4,157
- Age
- 10y ago

UxClishe 6 Pcs Costume Set Costume Outfit Cosplay Fancy Dress with Jacket T-shirt Shorts Glove Necklace Temporary Tattoos Costume Kit for World Book Day Halloween Carnival Party
- Price
- £12.50
- Rating
- 3.6/5
- Reviews
- 4
- Age
- 7mo ago

Kitimi Costumes for Kids Girls- Villain Halloween Fancy Dress Outfits Set Carnival Cosplay Costume Kit Include Jacket T-Shirt Shorts Gloves Wig Tattoo Baseball Bat for Theme Party Children 150
- Price
- £15.57
- Rating
- 4.3/5
- Reviews
- 6
- Age
- 11mo ago
Newest
by launch date
UxClishe 6 Pcs Costume Set Costume Outfit Cosplay Fancy Dress with Jacket T-shirt Shorts Glove Necklace Temporary Tattoos Costume Kit for World Book Day Halloween Carnival Party
- Price
- £12.50
- Rating
- 3.6/5
- Reviews
- 4
- Age
- 7mo ago

UxClishe 6 Pcs Costume Set Costume Outfit Cosplay Fancy Dress with Jacket T-shirt Shorts Glove Necklace Temporary Tattoos Costume Kit for World Book Day Halloween Carnival Party
- Price
- £12.64
- Rating
- 3.6/5
- Reviews
- 4
- Age
- 7mo ago

JrnSvp Girls Harley Quinn Childrens Sizes 11 Piece Set 120 cm/130 cm/140 cm Polyester Lightweight Authentic Accessories Halloween Carnival Costume Parties
- Price
- £33.67
- Rating
- 4.4/5
- Reviews
- 6
- Age
- 10mo ago

KAZGVN Harley Costume Women Halloween Costumes Womens Fancy Dress Costumes This is a Complete Harley Set Villain Costume Used for Cosplay Halloween For Use by Those Aged 15 and Above (120)
- Price
- £20.51
- Rating
- 4.0/5
- Reviews
- 6
- Age
- 11mo ago

Kitimi Costumes for Kids Girls- Villain Halloween Fancy Dress Outfits Set Carnival Cosplay Costume Kit Include Jacket T-Shirt Shorts Gloves Wig Tattoo Baseball Bat for Theme Party Children 150
- Price
- £15.57
- Rating
- 4.3/5
- Reviews
- 6
- Age
- 11mo ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 81% of clicks. A locked shelf that new listings rarely crack.
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.
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.
“Inflateable not very big”
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
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
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









