---
title: "boys halloween costumes 8-10 — Niche Verdict: Skip it (49/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/clothing-shoes-jewelry/boys-halloween-costumes-8-10"
last_updated: "2026-07-13T20:52:20.197Z"
locale: en
meta:
  description: "weak search conversion (0.7%) — boys halloween costumes 8-10 doesn't clear our bar today."
  "og:description": "weak search conversion (0.7%) — boys halloween costumes 8-10 doesn't clear our bar today."
  "og:title": "boys halloween costumes 8-10 — Niche Verdict: Skip it (49/100) | Amazon United States - Flapen"
---

Back to Flapen home

# **boys halloween costumes 8-10**

**Skip it**

Weak search conversion (0.7%) — this niche doesn't clear our bar today.

Market size 46Growth 14Conversion 9Competition 87Returns 29Price range 71Avg price 95Brand share 96Review moat 43Quality gap 33

**Brand share**

**Incredible****34%**

top-5 brand share — no brand owns this niche

**Avg price**

**Incredible****$31.38**

avg listing price — sweet spot $15–$100

**Competition**

**Great****28%**

top-5 click share — an open shelf

**Price range**

**Good****$6.54–$126.46**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Market size**

**Okay****$245K**

$245K/yr · 1.1M searches

**Review moat**

**Okay****2,182.97**

avg incumbent reviews — the moat a new listing must climb

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Returns**

**Okay****5.5%**

return rate — above 6% kills the launch gate

**Growth**

**Bad****-22.7%**

90-day search growth — must beat 0% to launch

**Conversion**

**Bad****0.7%**

search→purchase rate — share of searches ending in a sale

## **Competition**

Clicks spread well past the top 5 (28% combined) — an open shelf where new products get seen.

**Brands**

**56 **▼falling

**Sellers**

**107**

**Top-5 brand share**

**34%**

**Open market**

**60%**

- mcuaeddu9% - Jazwares Costume Play7% - Spooktacular Creations6% - Teuevayl6% - Marvel6% - Jeowoqao6%

## **Product shelf**

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%3%$7K6%$15K9%$22K12%$29K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 77 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![mcuaeddu Demogorgon Onesie Halloween Costume Costume Warm Long Sleeve Costume (10-12 Years)](https://m.media-amazon.com/images/I/31DIb9Yt1oL.jpg)**mcuaeddu Demogorgon Onesie Halloween Costume Costume Warm Long Sleeve Costume (10-12 Years)**mcuaeddu**$36.83**4.6★169 rev](https://www.amazon.com/dp/B0GJNSYXH2) [2![Teuevayl Boys Muscle Chest Dress up Costumes Trunk with Superhero Policeman Fireman Costume Kids Pretend Role Play Costumes Set Boys Dress up Clothes for Kids Ages 3 4 5 6 7](https://m.media-amazon.com/images/I/51aciBt3EHL.jpg)**Teuevayl Boys Muscle Chest Dress up Costumes Trunk with Superhero Policeman Fireman Costume Kids Pretend Role Play Costumes Set Boys Dress up Clothes for Kids Ages 3 4 5 6 7**Teuevayl**$33.63**4.5★1,120 rev](https://www.amazon.com/dp/B08GWN94LN) [3![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](https://m.media-amazon.com/images/I/51IxlBBxKQL.jpg)**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**Jeowoqao**$28.79**4.4★87 rev](https://www.amazon.com/dp/B0FNMB2RFV) [4![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)](https://m.media-amazon.com/images/I/41rpKXZ9B4L.jpg)**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)**Spooktacular Creations**$28.57**4.7★10,729 rev](https://www.amazon.com/dp/B075BLPK16) [5![Elite Sports IBJJF Ultra Light BJJ Brazilian Jiu Jitsu Gi for Kids with Preshrunk Fabric and Free Belt (Green 1)](https://m.media-amazon.com/images/I/51Z6EsED5wL.jpg)**Elite Sports IBJJF Ultra Light BJJ Brazilian Jiu Jitsu Gi for Kids with Preshrunk Fabric and Free Belt (Green 1)**Elite Sports**$44.22**4.8★5,654 rev](https://www.amazon.com/dp/B08B3ZFDKP)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![SEHIOZNI Kids Funny Green Monster Onesie Silly Big Mouth Monster Cartoon Soft Plush One Piece (Purple 10-13 Years)](https://m.media-amazon.com/images/I/413a8micUUL.jpg)**SEHIOZNI Kids Funny Green Monster Onesie Silly Big Mouth Monster Cartoon Soft Plush One Piece (Purple 10-13 Years)**SEHIOZNI**$24.02**14 rev1mo ago](https://www.amazon.com/dp/B0H3DBS5HF) [![Marvel Unisex Child Kids 2-piece Snug-fit Cotton Pajama Set Spider Costume 6 US](https://m.media-amazon.com/images/I/31m968xxPrL.jpg)**Marvel Unisex Child Kids 2-piece Snug-fit Cotton Pajama Set Spider Costume 6 US**Marvel**$13.73**3,269 rev2mo ago](https://www.amazon.com/dp/B09D4TTPNZ) [![Spiderman Boys 2-Piece Snug-fit Cotton Holiday Pajama Set Soft & Cute for Kids MILES UNIFORM 6](https://m.media-amazon.com/images/I/31Yxdxbam-L.jpg)**Spiderman Boys 2-Piece Snug-fit Cotton Holiday Pajama Set Soft & Cute for Kids MILES UNIFORM 6**Marvel**$15.32**3,269 rev2mo ago](https://www.amazon.com/dp/B0DDWD28DZ) [![Mistletoe unicorn Kids Flannel demogorgon Onesie Pajamas Black](https://m.media-amazon.com/images/I/41lSU2zYRaL.jpg)**Mistletoe unicorn Kids Flannel demogorgon Onesie Pajamas Black**Mistletoe unicorn**$29.78**75 rev3mo ago](https://www.amazon.com/dp/B0GSJWGV7R) [![LOYO Police Costume for Boys Kids Cop Outfit for Career Day Cosplay Pretend Play Police Officer Costume for Boys Ages 312 (5-7 Years)](https://m.media-amazon.com/images/I/51q0hRLjohL.jpg)**LOYO Police Costume for Boys Kids Cop Outfit for Career Day Cosplay Pretend Play Police Officer Costume for Boys Ages 312 (5-7 Years)**LOYO**$27.54**16 rev5mo ago](https://www.amazon.com/dp/B0GJSRW4WR)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![SEHIOZNI Kids Funny Green Monster Onesie Silly Big Mouth Monster Cartoon Soft Plush One Piece (Purple 10-13 Years)](https://m.media-amazon.com/images/I/413a8micUUL.jpg)**SEHIOZNI Kids Funny Green Monster Onesie Silly Big Mouth Monster Cartoon Soft Plush One Piece (Purple 10-13 Years)**SEHIOZNI**$24.02**4.2★**▲ 1000%**](https://www.amazon.com/dp/B0H3DBS5HF) [![yfgkgkjg Unisex Kids Onesie Animal Pajamas One Piece Cosplay Costume Sleepwear Girls Boys Halloween Christmas (8-10Years)](https://m.media-amazon.com/images/I/41KbHqE-XWL.jpg)**yfgkgkjg Unisex Kids Onesie Animal Pajamas One Piece Cosplay Costume Sleepwear Girls Boys Halloween Christmas (8-10Years)**yfgkgkjg**$23.38**4.6★**▲ 1000%**](https://www.amazon.com/dp/B0CHDPJGQF) [![mcuaeddu Demogorgon Onesie Halloween Costume Costume Warm Long Sleeve Costume (6-8 Years)](https://m.media-amazon.com/images/I/31DIb9Yt1oL.jpg)**mcuaeddu Demogorgon Onesie Halloween Costume Costume Warm Long Sleeve Costume (6-8 Years)**mcuaeddu**$35.71**4.6★**▲ 1000%**](https://www.amazon.com/dp/B0GJPGZRVK) [![Spiderman Boys 2-Piece Snug-fit Cotton Holiday Pajama Set Soft & Cute for Kids MILES UNIFORM 6](https://m.media-amazon.com/images/I/31Yxdxbam-L.jpg)**Spiderman Boys 2-Piece Snug-fit Cotton Holiday Pajama Set Soft & Cute for Kids MILES UNIFORM 6**Marvel**$15.32**4.7★**▲ 995%**](https://www.amazon.com/dp/B0DDWD28DZ) [![Elite Sports IBJJF Ultra Light BJJ Brazilian Jiu Jitsu Gi for Kids with Preshrunk Fabric and Free Belt (Black 1)](https://m.media-amazon.com/images/I/51h6FGgB3zL.jpg)**Elite Sports IBJJF Ultra Light BJJ Brazilian Jiu Jitsu Gi for Kids with Preshrunk Fabric and Free Belt (Black 1)**Elite Sports**$43.46**4.8★**▲ 982%**](https://www.amazon.com/dp/B08B3YTGWB)

**~~View all trending →~~**

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — -22.7% search growth over the last 90 days.

200K150KSpike '24Spike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay

Peak months: Sep, Oct, Nov · busiest ÷ quietest = 57.0×

## **Reviews**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Quality-Overall**18%

*“A+ Quality”*

**Fun/Entertainment Experience**15%

*“Fun for kids”*

**Size-Overall**11%

*“Fit as expected”*

**Gifting Purpose**9%

*“Cute Gift”*

**Value For Money**7%

*“Excellent value”*

**Advertised Vs Actual Product**3%

*“As advertised”*

**Ease Of Use**3%

*“Easy to use”*

**Comfort-Overall**3%

*“They are comfortable”*

**Material Quality**3%

*“Good material”*

**Brightness/Shine/Glow**3%

*“bright lights”*

### **What buyers complain about **

**Size-Overall**19%

*“Little big”*

**Quality-Overall**18%

*“not well made”*

**Durability**13%

*“Breaks very easily”*

**Material Quality**4%

*“Poor material”*

**Functionality-Overall**3%

*“Didnt work”*

**Value For Money**2%

*“The price is a little much”*

**Charging**2%

*“not able to recharge”*

**Product Condition**2%

*“Received used items”*

**Strap/String Quality**2%

*“missing straps”*

**Stitch/Finish/Polish**2%

*“Stitching is very poor quality”*

### **Top return reasons **

**Size-Overall**66%

**Length**4%

**Advertised Vs Actual Product**4%

**Quality-Overall**3%

**Material Quality**3%

**Product Condition**2%

**Functionality-Overall**2%

**Defective Material/Parts**2%

**Value For Money**2%

**Gap/Hole**1%