Boys Halloween Costumes Size 10-12
FailBuyers convert on only 0.2% of searches, so Boys Halloween Costumes Size 10-12 is a Fail.
- Flapen Score
- 29 / 100Ranks 16,025 of 16,930 Clothing, Shoes & Jewelry niches · −16 vs the category median of 4529
- Market size
- $30K/yr666K searches / yr
- 90-day growth
- -15.1%search demand this quarter
- Competition
- 76%top-5 click share · 12 brands · 15 sellers
Flapen Score
Boys Halloween Costumes Size 10-12 against its category
The dotted line is the Clothing, Shoes & Jewelry average. Past it, Boys Halloween Costumes Size 10-12 is stronger. Inside it, weaker.
Market
The Boys Halloween Costumes Size 10-12 market on Amazon at a glance
Shoppers on Amazon United States searched for Boys Halloween Costumes Size 10-12 666K times last year and spent an estimated $30K. The top 5 brands take 79% of clicks. Demand peaks in Sep–Oct–Nov. Flapen scores it 29 out of 100, a Fail.
01 · Demand
An estimated 0.2% of those searches ended in a purchase.
Shoppers searched for this 666K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 0.2% of those searches ended in a purchase. Searches in the last 90 days moved -15.1% against the 90 days before. Searches, conversion and average price together put the market at an estimated $30K a year.
- Searches, last 12 months
- 666K
- Growth, 90 days vs prior 90
- -15.1%
- Conversion, latest week
- 0.2%
- Market size, estimated
- $30Ka year
- Peak month
- October319.3× the quietest month
- Top search term
- costumes for kids 10-1222K searches a year
02 · Price
A sale here is worth $26.67.
Listings sell for $26.67 on average, from $6.54 to $36.83. Amazon reports units sold in ranges. This niche sold 4K to 5K a year. The average listing sells 0 to 100 of them. At $26.67 that is $0 to $3K a year per listing.
- Average price
- $26.67inside the $15 to $100 sweet spot
- Price range
- $6.54–$36.83
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 4K–5K
- Units per listing a year
- 0–100
- Revenue per listing a year
- $0–$3K
- Returns
- 6.5%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is low.
85% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 14.7% of listings are out of stock. The average listing ranks #1,480 within Boys. It carries 1,334 reviews at 4.46 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 85%
- Prime listings
- 100%
- Out of stock, average day
- 14.7%
- Average rank
- #1,480in Boys
- Average rating
- 4.46 starsAmazon United States average 4.42 stars
- Average reviews
- 1,334per listing
- Listings tracked
- 13
04 · Newcomers
0 of last year's 5 launches cleared the first-year sales bar.
5 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 40 months on average, so the names here are settling in.
- Launched, last 12 months
- 5
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 40 months
Products
Top Boys Halloween Costumes Size 10-12 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 10, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
mcuaeddu Demogorgon Onesie Halloween Costume Costume Warm Long Sleeve Costume (10-12 Years)
- Price
- $36.83
- Rating
- 4.6/5
- Reviews
- 169
- Age
- 5mo ago

inkArts Shark Blanket Hoodie - Adult Shark Sleeping Bag & Cozy Flannel Hoodie
- Price
- $20.13
- Rating
- 4.2/5
- Reviews
- 4,873
- Age
- 2y ago

GLEDLOVES LED Gloves for Kids Teens & Adults - Finger Light Gloves with 5 Colors/6 Modes - Perfect for 9-12 Year Old Boys & Girls - Ideal for Halloween & Christmas Parties
- Price
- $6.54
- Rating
- 4.4/5
- Reviews
- 3,170
- Age
- 5y ago

Nabobs Unisex Animal Onesie Costume Flannel Halloween Cosplay Costume - Homewear Animal Outfit
- Price
- $15.29
- Rating
- 4.7/5
- Reviews
- 76
- Age
- 9mo ago

NewPlush Unisex Children Unicorn Pyjamas Halloween Kids Onesie Costume (10-12 Years 01Starry Star 10_years)
- Price
- $22.59
- Rating
- 4.5/5
- Reviews
- 2,146
- Age
- 5y ago
Trending
estimated 90-day click momentum
Mistletoe unicorn Kids Flannel demogorgon Onesie Pajamas Black
- Price
- $29.78
- Rating
- 4.5/5
- Reviews
- 75
- Age
- 3mo ago

Nabobs Unisex Animal Onesie Costume Flannel Halloween Cosplay Costume - Homewear Animal Outfit
- Price
- $15.29
- Rating
- 4.7/5
- Reviews
- 76
- Age
- 9mo ago

mcuaeddu Demogorgon Onesie Halloween Costume Costume Warm Long Sleeve Costume (8-10 Years)
- Price
- $36.55
- Rating
- 4.6/5
- Reviews
- 169
- Age
- 5mo ago

mcuaeddu Demogorgon Onesie Halloween Costume Costume Warm Long Sleeve Costume (10-12 Years)
- Price
- $36.83
- Rating
- 4.6/5
- Reviews
- 169
- Age
- 5mo ago

NewPlush Unisex Children Unicorn Pyjamas Halloween Kids Onesie Costume (10-12 Years 01Starry Star 10_years)
- Price
- $22.59
- Rating
- 4.5/5
- Reviews
- 2,146
- Age
- 5y ago
Newest
by launch date
Mistletoe unicorn Kids Flannel demogorgon Onesie Pajamas Black
- Price
- $29.78
- Rating
- 4.5/5
- Reviews
- 75
- Age
- 3mo ago

mcuaeddu Demogorgon Onesie Halloween Costume Costume Warm Long Sleeve Costume (10-12 Years)
- Price
- $36.83
- Rating
- 4.6/5
- Reviews
- 169
- Age
- 5mo ago

mcuaeddu Demogorgon Onesie Halloween Costume Costume Warm Long Sleeve Costume (8-10 Years)
- Price
- $36.55
- Rating
- 4.6/5
- Reviews
- 169
- Age
- 5mo ago

Nabobs Unisex Animal Onesie Costume Flannel Halloween Cosplay Costume - Homewear Animal Outfit
- Price
- $15.29
- Rating
- 4.7/5
- Reviews
- 76
- Age
- 9mo ago

Corespe Kids Dragon Costume Set with Tail and Mask Boys Halloween Dragon Cosplay Dress Up Outfits (Blue Medium(8-10 Years))
- Price
- $31.60
- Rating
- 4.5/5
- Reviews
- 116
- Age
- 11mo ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 76% of clicks. A locked shelf that new listings rarely crack.
Brands
12 rising
Sellers
15
Est. top-5 brand share
79%
Top 20: 100%
Est. top-5 click share
76%
Top 20: 100%
Open market
17%
- mcuaeddu35%
- inkArts16%
- GLEDLOVES13%
- Nabobs9%
- NewPlush5%
- Slendor4%
- Open — no brand owns it (6 brands, 17%)
Demand
Boys Halloween Costumes Size 10-12 search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Sep, Oct, Nov · busiest ÷ quietest = 319.3×
Search terms
Top Boys Halloween Costumes Size 10-12 search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- costumes for kids 10-1222K/yr
- costumes for boys 8-1020K/yr
- boys halloween costumes size 10-12115K/yr
- boy costumes 10-1246K/yr
- teen boy halloween costumes119K/yr
- boy costumes 8-1016K/yr
- costume for kids 10-1213K/yr
- kids halloween costumes boys 8-1027K/yr
- halloween costumes boys 10-1232K/yr
- kids costumes for boys 8-107K/yr
Reviews and returns
What reviews say buyers love and hate about Boys Halloween Costumes Size 10-12
We read the reviews and the return reasons for every product selling here.
“Too small”
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.
21 topics
Keep looking
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Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Boys Halloween Costumes Size 10-12 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









