---
title: "costumes for kids — Niche Verdict: Worth a look (52/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/clothing-shoes-jewelry/costumes-for-kids"
last_updated: "2026-07-13T23:23:28.028Z"
locale: en
meta:
  description: "costumes for kids shows no brand lock-in (top 5 brands take 33% of clicks), but weak search conversion (0.4%) keeps it on the watch list."
  "og:description": "costumes for kids shows no brand lock-in (top 5 brands take 33% of clicks), but weak search conversion (0.4%) keeps it on the watch list."
  "og:title": "costumes for kids — Niche Verdict: Worth a look (52/100) | Amazon United States - Flapen"
---

Back to Flapen home

# **costumes for kids**

**Worth a look**

Shows no brand lock-in (top 5 brands take 33% of clicks), but weak search conversion (0.4%) keeps it on the watch list.

Market size 63Growth 11Conversion 5Competition 93Returns 36Price range 73Avg price 95Brand share 96Review moat 40Quality gap 33

**Brand share**

**Incredible****33%**

top-5 brand share — no brand owns this niche

**Avg price**

**Incredible****$38.18**

avg listing price — sweet spot $15–$100

**Competition**

**Great****22%**

top-5 click share — an open shelf

**Price range**

**Good****$9.95–$126.46**

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

**Market size**

**Good****$570K**

$570K/yr · 3.7M searches

**Review moat**

**Okay****2,545.98**

avg incumbent reviews — the moat a new listing must climb

**Returns**

**Okay****4.7%**

return rate — above 6% kills the launch gate

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Growth**

**Bad****-27.5%**

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

**Conversion**

**Bad****0.4%**

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

## **Competition**

Clicks spread well past the top 5 (22% combined) — an open shelf where new products get seen.

**Brands**

**64 **▲rising

**Sellers**

**110**

**Top-5 brand share**

**33%**

**Open market**

**63%**

- YuanLu10% - Jazwares Costume Play7% - Marvel7% - Yavakoor5% - Davvew4% - Rubies4%

## **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%2%$11K4%$23K6%$34K8%$46K1101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

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

All 100 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![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**4.7★3,269 rev](https://www.amazon.com/dp/B09D4TTPNZ) [2![YuanLu Kids Suits for Boys Navy Blue Boy Suit Slim Fit Ring Bearer Outfit Wedding Guest Dresswear Toddler Tuxedo Size 2T](https://m.media-amazon.com/images/I/317FLNYVGRL.jpg)**YuanLu Kids Suits for Boys Navy Blue Boy Suit Slim Fit Ring Bearer Outfit Wedding Guest Dresswear Toddler Tuxedo Size 2T**YuanLu**$45.70**4.4★7,269 rev](https://www.amazon.com/dp/B01M3U4MS1) [3![Davvew Little Girls Dress Sequin Pink Rainbow Dress Flower Girl Dress Easter Dress Light up Princess Dresses for Toddler Girls Kids Costume for Brithday Wedding Party](https://m.media-amazon.com/images/I/51a0ZvLY1sL.jpg)**Davvew Little Girls Dress Sequin Pink Rainbow Dress Flower Girl Dress Easter Dress Light up Princess Dresses for Toddler Girls Kids Costume for Brithday Wedding Party**Davvew**$34.49**4.6★208 rev](https://www.amazon.com/dp/B0D9LDQBMD) [4![Marvel Integrated Spider-Man Official Youth Deluxe Zentai Costume - Deluxe Two-Way Stretch Spandex with Invisible Zippers and Wrist Openings for Added Convenience (M)](https://m.media-amazon.com/images/I/41KUD7oYmML.jpg)**Marvel Integrated Spider-Man Official Youth Deluxe Zentai Costume - Deluxe Two-Way Stretch Spandex with Invisible Zippers and Wrist Openings for Added Convenience (M)**Jazwares Costume Play**$42.56**4.5★1,853 rev](https://www.amazon.com/dp/B0BQRVG5BL) [5![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★5,654 rev](https://www.amazon.com/dp/B08B3YTGWB)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![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) [![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**$29.29**75 rev3mo ago](https://www.amazon.com/dp/B0GSJF62Q1) [![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) [![Hidany Girls Ballet Leotards Tutu Dress Dance Costume Kids Spaghetti Strap Butterfly Dance Tutu Unitard (4-5T XY014-Pink)](https://m.media-amazon.com/images/I/31z1tca1IHL.jpg)**Hidany Girls Ballet Leotards Tutu Dress Dance Costume Kids Spaghetti Strap Butterfly Dance Tutu Unitard (4-5T XY014-Pink)**Hidany**$19.75**10 rev4mo ago](https://www.amazon.com/dp/B0GQH85N58) [![Boys Black Suit 5 Pieces Slim Fit Kids Formal Tuxedo Suit Set for Wedding Ring Bearer Easter First Communion Confirmation Graduation Teen Boys Size 12](https://m.media-amazon.com/images/I/31Pyo0J35QL.jpg)**Boys Black Suit 5 Pieces Slim Fit Kids Formal Tuxedo Suit Set for Wedding Ring Bearer Easter First Communion Confirmation Graduation Teen Boys Size 12**ELPA ELPA BORN FOR ALL WONDERFUL THINGS**$55.55**282 rev5mo ago](https://www.amazon.com/dp/B0DX7B5XH6)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![YuanLu Boys Slim Fit Suits Toddler Tuxedo for Kids Homecoming Black Dress Formal Wear Wedding Ring Bearer Outfit Easter Boys Suit Size 6](https://m.media-amazon.com/images/I/3114UnqxDKL.jpg)**YuanLu Boys Slim Fit Suits Toddler Tuxedo for Kids Homecoming Black Dress Formal Wear Wedding Ring Bearer Outfit Easter Boys Suit Size 6**YuanLu**$53.32**4.4★**▲ 350%**](https://www.amazon.com/dp/B078G7RLMM) [![Toddler Boys Formal Suits Ring Bearer Outfit Hot Pink Kids Tuxedo Slim fit Dress Clothes Homecoming Dresswear 5 Pieces Baby Boy Suits Size 2T](https://m.media-amazon.com/images/I/31DWsfXpcXL.jpg)**Toddler Boys Formal Suits Ring Bearer Outfit Hot Pink Kids Tuxedo Slim fit Dress Clothes Homecoming Dresswear 5 Pieces Baby Boy Suits Size 2T**YuanLu**$45.10**4.6★**▲ 343%**](https://www.amazon.com/dp/B0957649D9) [![FFNXKLDZSW Kids Onesie Pajamas Animal Cosplay Costumes Sleepwear Halloween Costumes for Girl(10-12 Years)](https://m.media-amazon.com/images/I/314D8ZRT4SL.jpg)**FFNXKLDZSW Kids Onesie Pajamas Animal Cosplay Costumes Sleepwear Halloween Costumes for Girl(10-12 Years)**FFNXKLDZSW**$21.52**4.7★**▲ 342%**](https://www.amazon.com/dp/B0D79LXBL1) [![MrSure Mens 3 Piece Suit Blazer Slim Fit Tux with 2 Button Jacket Vest Pants & Tie Set for Party Wedding and Business Black](https://m.media-amazon.com/images/I/41NQcp1h7fL.jpg)**MrSure Mens 3 Piece Suit Blazer Slim Fit Tux with 2 Button Jacket Vest Pants & Tie Set for Party Wedding and Business Black**MrSure**$63.04**4.4★**▲ 338%**](https://www.amazon.com/dp/B082V68555) [![Andes Safety Hazmat Suit Heavy Duty Full Body Disposable Paint Suit Coverall with Hood Elastic Wrists and Ankles (XL)](https://m.media-amazon.com/images/I/31OByTAEeOL.jpg)**Andes Safety Hazmat Suit Heavy Duty Full Body Disposable Paint Suit Coverall with Hood Elastic Wrists and Ankles (XL)**Andes Safety**$9.95**4.6★**▲ 335%**](https://www.amazon.com/dp/B0CGGPGTGD)

**~~View all trending →~~**

## **Demand & seasonality**

Weekly Amazon search volume, last 88 weeks — -27.5% search growth over the last 90 days.

600K400KHoliday '24Spike '25Prime Day '25Spike '26 seasonDecJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun

Peak months: Sep, Oct, Nov · busiest ÷ quietest = 36.3×

## **Reviews**

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

### **What buyers love **

**Quality-Overall**19%

*“A+ Quality”*

**Size-Overall**18%

*“Fit as expected”*

**Fun/Entertainment Experience**12%

*“Imaginative play”*

**Value For Money**10%

*“Good value for money”*

**Gifting Purpose**6%

*“Great gift”*

**Material Quality**4%

*“Material is soft”*

**Advertised Vs Actual Product**3%

*“Looks as pictured”*

**Ease Of Use**3%

*“Easy to use”*

**Durability**3%

*“very durable material”*

**Comfort-Overall**2%

*“They are comfortable”*

### **What buyers complain about **

**Quality-Overall**22%

*“Cheap quality”*

**Size-Overall**17%

*“Little big”*

**Durability**8%

*“Breaks easily”*

**Material Quality**5%

*“it doesn't seem the material will last”*

**Value For Money**5%

*“The price is a little much”*

**Product Condition**3%

*“The item came used”*

**Advertised Vs Actual Product**3%

*“Not as advertised”*

**Stitch/Finish/Polish**2%

*“The seams are coming apart”*

**Strength**2%

*“Flimsy”*

**Strap/String Quality**2%

*“Purse strap broke first day”*

### **Top return reasons **

**Size-Overall**65%

**Quality-Overall**5%

**Advertised Vs Actual Product**4%

**Material Quality**4%

**Length**3%

**Waist Fit**2%

**Sleeve Fit**2%

**Shoulder Fit**2%

**Value For Money**2%

**Product Condition**2%