Boys Halloween Costumes Size 8-10
FailBuyers convert on only 0.6% of searches, so Boys Halloween Costumes Size 8-10 is a Fail.
- Flapen Score
- 46 / 100Top 46% of 16,930 Clothing, Shoes & Jewelry niches · +1 vs the category median of 4546
- Market size
- $133K/yr683K searches / yr
- 90-day growth
- -21.6%search demand this quarter
- Competition
- 27%top-5 click share · 50 brands · 96 sellers
Flapen Score
Boys Halloween Costumes Size 8-10 against its category
The dotted line is the Clothing, Shoes & Jewelry average. Past it, Boys Halloween Costumes Size 8-10 is stronger. Inside it, weaker.
Market
The Boys Halloween Costumes Size 8-10 market on Amazon at a glance
Shoppers on Amazon United States searched for Boys Halloween Costumes Size 8-10 683K times last year and spent an estimated $133K. The top 5 brands take 36% of clicks. Demand peaks in Sep–Oct. Flapen scores it 46 out of 100, a Fail.
01 · Demand
An estimated 0.6% of those searches ended in a purchase.
Shoppers searched for this 683K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 0.6% of those searches ended in a purchase. Searches in the last 90 days moved -21.6% against the 90 days before. Searches, conversion and average price together put the market at an estimated $133K a year.
- Searches, last 12 months
- 683K
- Growth, 90 days vs prior 90
- -21.6%
- Conversion, latest week
- 0.6%
- Market size, estimated
- $133Ka year
- Peak month
- October158.1× the quietest month
- Top search term
- boys costumes 6-862K searches a year
02 · Price
A sale here is worth $32.95.
Listings sell for $32.95 on average, from $6.54 to $126.46. Amazon reports units sold in ranges. This niche sold 3K to 4K a year. The average listing sells 0 to 100 of them. At $32.95 that is $0 to $3K a year per listing.
- Average price
- $32.95inside the $15 to $100 sweet spot
- Price range
- $6.54–$126.46
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 3K–4K
- Units per listing a year
- 0–100
- Revenue per listing a year
- $0–$3K
- Returns
- 5.6%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is reviews.
87% of listings pay for placement with sponsored ads. 97% ship with Prime. On an average day, 10.6% of listings are out of stock. The average listing ranks #599 within Boys. It carries 1,869 reviews at 4.55 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 87%
- Prime listings
- 97%
- Out of stock, average day
- 10.6%
- Average rank
- #599in Boys
- Average rating
- 4.55 starsAmazon United States average 4.42 stars
- Average reviews
- 1,869per listing
- Listings tracked
- 68
04 · Newcomers
9 of last year's 18 launches cleared the first-year sales bar.
18 products launched here in the last 12 months. 9 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
- 18
- Successful launches
- 9Amazon's first-year sales bar
- Average brand age
- 40 months
Products
Top Boys Halloween Costumes Size 8-10 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

Spooktacular Creations Halloween Ninja Costume Black Ninja Outfit Set for Kids Halloween Costumes with Accessories for Boys Dress Up and Role Play Party (Small 5-7 yrs)
- Price
- $28.57
- Rating
- 4.7/5
- Reviews
- 10,729
- Age
- 8y ago

Elite Sports IBJJF Ultra Light BJJ Brazilian Jiu Jitsu Gi for Kids with Preshrunk Fabric and Free Belt (Green 1)
- Price
- $44.22
- Rating
- 4.8/5
- Reviews
- 5,654
- Age
- 8y 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

Marvel Integrated Spider-Man Official Youth Deluxe Zentai Costume - Deluxe Two-Way Stretch Spandex with Invisible Zippers and Wrist Openings for Added Convenience (M)
- Price
- $42.56
- Rating
- 4.5/5
- Reviews
- 1,853
- Age
- 2y ago
Trending
estimated 90-day click momentum
Nabobs Unisex Animal Onesie Costume Flannel Halloween Cosplay Costume - Homewear Animal Outfit Sky-blue
- Price
- $11.93
- Rating
- 4.7/5
- Reviews
- 76
- Age
- 9mo ago

Spiderman Boys 2-Piece Snug-fit Cotton Holiday Pajama Set Soft & Cute for Kids MILES UNIFORM 6
- Price
- $15.32
- Rating
- 4.7/5
- Reviews
- 3,269
- Age
- 2mo ago

Elite Sports IBJJF Ultra Light BJJ Brazilian Jiu Jitsu Gi for Kids with Preshrunk Fabric and Free Belt (Green 1)
- Price
- $44.22
- Rating
- 4.8/5
- Reviews
- 5,654
- Age
- 8y 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

Elite Sports IBJJF Ultra Light BJJ Brazilian Jiu Jitsu Gi for Kids with Preshrunk Fabric and Free Belt (Black 1)
- Price
- $43.46
- Rating
- 4.8/5
- Reviews
- 5,654
- Age
- 8y ago
Newest
by launch date
Spiderman Boys 2-Piece Snug-fit Cotton Holiday Pajama Set Soft & Cute for Kids MILES UNIFORM 6
- Price
- $15.32
- Rating
- 4.7/5
- Reviews
- 3,269
- Age
- 2mo ago

Marvel Unisex Child Kids 2-piece Snug-fit Cotton Pajama Set Spider Costume 6 US
- Price
- $13.73
- Rating
- 4.7/5
- Reviews
- 3,269
- Age
- 2mo 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

Nabobs Unisex Animal Onesie Costume Flannel Halloween Cosplay Costume - Homewear Animal Outfit Sky-blue
- Price
- $11.93
- Rating
- 4.7/5
- Reviews
- 76
- Age
- 9mo ago

Jeowoqao Costumes for Kids Boys Dress up Clothes for Role Play Boys Muscle Chest Dress up Costumes with Policeman Fireman Costume for Toddler Boy 3 4 5 6 Years Christmas Birthday Gifts
- Price
- $28.79
- Rating
- 4.4/5
- Reviews
- 87
- Age
- 10mo ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 27% of clicks, no more. An open shelf where new products get seen.
Brands
50 flat
Sellers
96
Est. top-5 brand share
36%
Top 20: 74%
Est. top-5 click share
27%
Top 20: 64%
Open market
60%
- mcuaeddu9%
- Jazwares Costume Play8%
- Marvel6%
- Elite Sports6%
- Spooktacular Creations6%
- inkArts4%
Demand
Boys Halloween Costumes Size 8-10 search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Sep, Oct · busiest ÷ quietest = 158.1×
Search terms
Top Boys Halloween Costumes Size 8-10 search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- boys costumes 6-862K/yr
- boys costumes 10-1286K/yr
- kid costumes boys42K/yr
- costumes kids20K/yr
- costumes for kids boys32K/yr
- kids costumes boys29K/yr
- costume boys26K/yr
- costumes for boys 10-1246K/yr
- halloween costumes for boys 10-12100K/yr
- halloween costumes for kids boys116K/yr
Reviews and returns
What reviews say buyers love and hate about Boys Halloween Costumes Size 8-10
We read the reviews and the return reasons for every product selling here.
“Pretty 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.
20 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 Boys Halloween Costumes Size 8-10 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









