---
title: "Roblox Costume — $0/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/toys-games/roblox-costume"
last_updated: "2026-08-08T16:33:59.403Z"
locale: en
meta:
description: "Niche score 35/100 · $0/yr market · 244K searches/yr · $29.61 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 35/100 · $0/yr market · 244K searches/yr · $29.61 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Roblox Costume — $0/yr Amazon US Niche (2026) - Flapen"
---
# **roblox costume**
**Skip it**
A small market ($0/yr) — this niche doesn't clear our bar today.
Market size 0Growth 22Conversion 0Competition 36Returns 31Price range 77Avg price 95Brand share 70Review moat 49Quality gap 47
**Avg price**
**Incredible****$29.61**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$6.59–$43.40**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Brand share**
**Good****63%**
top-5 brand share — brands hold most of the demand
**Review moat**
**Okay****1,601.45**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Competition**
**Okay****63%**
top-5 click share — leaders hold, buyers still browse
**Returns**
**Okay****4.5%**
return rate — above 5% kills the launch gate
**Growth**
**Bad****-5.9%**
90-day search growth — must beat 0% to launch
**Market size**
**Bad****$0**
$0/yr · 244K searches
**Conversion**
**Bad****0.0%**
search→purchase rate — share of searches ending in a sale
**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%") [** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500")
According to Flapen's Amazon United States niche tracking, roblox costume is a $0/yr Amazon United States market (244K searches/yr). The top 5 brands hold 63% of demand. Demand peaks in Sep–Oct–Nov. Verdict: Skip it — 35/100.
Data updated Jul 31, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **roblox costume market data**
- **Units sold / yr**
- **750–1K**
- avg 0–100/product
- **Revenue / yr**
- **$22K–$30K**
- units × avg price
- **Conversion rate**
- **0.0%**
- **Avg BSR**
- **#495**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **82%**
- **Out of stock**
- **10.1%**
- **Avg brand age**
- **41 months**
- **Avg seller age**
- **162 days**
## **Competition & brand share**
The top 5 products take 63% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**11 **▲rising
**Sellers**
**33**
**Top-5 brand share**
**63%**
Top 20: 100%
**Top-5 click share**
**63%**
Top 20: 100%
**Open market**
**37%**
- unicorn warrior12% - GLEDLOVES12% - MOPHOTO11% - Camlinbo10% - Disguise9% - DoCred9%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -5.9% search growth over the last 90 days.
70K50KSpike '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Sep, Oct, Nov · busiest ÷ quietest = 86.5×
[**Open Trend **](https://flapen.com/research/us/toys-games/roblox-costume/trend)
## **Top roblox costume search terms**
- **roblox costumes**19K/yr-9.1%0.0% conv. - **roblox halloween costume**27K/yr+106.3%0.0% conv. - **costumes for boys 12-14**9K/yr-61.5%0.0% conv. - **halloween costumes for 13 year old boys**16K/yr+166.1%0.0% conv. - **halloween costumes for teenage boys**17K/yr+29.6%0.0% conv. - **disfraz para nio de 10 aos**7K/yr+2.0%0.0% conv. - **custom for boys**6K/yr-40.8%0.0% conv. - **boys halloween costume 14-16**7K/yr+297.4%0.0% conv. - **costume for teen boys**10K/yr-46.7%0.0% conv. - **halloween costumes for teens boys**14K/yr+552.4%0.0% conv. [**All search terms **](https://flapen.com/research/us/toys-games/roblox-costume/search-terms)
## **Top roblox costume products on Amazon**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%4%$08%$012%$016%$0101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 11 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**unicorn warrior Unisex Adults Demogorgon Onesie Pajamas Hooded Jumpsuit Costume Loungewear Black**unicorn warrior**$29.26**4.6★123 rev](https://www.amazon.com/dp/B0GHC4L6QZ) [2**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**GLEDLOVES**$6.59**4.4★3,190 rev](https://www.amazon.com/dp/B08ZHMZXVS) [3**MOPHOTO 5 in 1 Ghillie Suit 3D Camouflage Hunting Suits - Jacket Pants Hood Carry Bag for Youth & Adults M/L/XL/XXL**MOPHOTO**$40.60**4.3★3,324 rev](https://www.amazon.com/dp/B07FVDKV5K) [4**3 Set Halloween Gesture Sensing LED Mask Glow Skeleton Gloves & Shoelaces**Camlinbo**$43.40**4.6★172 rev](https://www.amazon.com/dp/B0F381G8CN) [5**Disguise Blue Costume for Kids Official Rainbow Friends Costume with Headpiece Child Size (4-6)**Disguise**$33.88**4.3★145 rev](https://www.amazon.com/dp/B0C7LM9XY1)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**mcuaeddu Demogorgon Onesie Halloween Costume Costume Warm Long Sleeve Costume (8-10 Years)**mcuaeddu**$36.31**174 rev6mo ago](https://www.amazon.com/dp/B0GJNRGK4C) [**unicorn warrior Unisex Adults Demogorgon Onesie Pajamas Hooded Jumpsuit Costume Loungewear Black**unicorn warrior**$29.26**123 rev6mo ago](https://www.amazon.com/dp/B0GHC4L6QZ) [**3 Set Halloween Gesture Sensing LED Mask Glow Skeleton Gloves & Shoelaces**Camlinbo**$43.40**172 rev1y ago](https://www.amazon.com/dp/B0F381G8CN) [**Led Mask Halloween Costume Mask with Gesture Sensing Kids Toys Gifts**Gootus**$27.69**535 rev1y ago](https://www.amazon.com/dp/B0DLGZ8R1P) [**Disguise Blue Costume for Kids Official Rainbow Friends Costume with Headpiece Child Size (4-6)**Disguise**$33.88**145 rev2y ago](https://www.amazon.com/dp/B0C7LM9XY1)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**mcuaeddu Demogorgon Onesie Halloween Costume Costume Warm Long Sleeve Costume (8-10 Years)**mcuaeddu**$36.31**4.5★**▲ 1000%**](https://www.amazon.com/dp/B0GJNRGK4C) [**unicorn warrior Unisex Adults Demogorgon Onesie Pajamas Hooded Jumpsuit Costume Loungewear Black**unicorn warrior**$29.26**4.6★**▲ 1000%**](https://www.amazon.com/dp/B0GHC4L6QZ) [**Aniler Mens and Womens Spandex Headless and Without Gloves Socks Zentai Costume Bodysuit Stretchy Cosplay Unitard Body Suit (Small Pink)**Aniler**$28.40**4.2★**▲ 948%**](https://www.amazon.com/dp/B0CJ7TP1MR) [**SEGA unisex child Sonic the Hedgehog Costume Hoodie Hooded Sweatshirt Royal 14-16 US**SEGA**$22.47**4.8★**▲ 501%**](https://www.amazon.com/dp/B07D1K71HL) [**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**GLEDLOVES**$6.59**4.4★**▲ 352%**](https://www.amazon.com/dp/B08ZHMZXVS)
**~~View all trending →~~**
## **What buyers say about roblox costume**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Fun/Entertainment Experience**19%
*“Fun for kids”*
**Quality-Overall**15%
*“Really nice quality”*
**Gifting Purpose**10%
*“Christmas gift for my grandson”*
**Size-Overall**9%
*“they were a perfect fit”*
**Color**7%
*“the colors are so bright”*
**Ease Of Use**6%
*“Easy to use”*
**Value For Money**6%
*“Great buy”*
**Advertised Vs Actual Product**5%
*“It was just as described”*
**Shape/Style**3%
*“Cute mask with lots of different styles to choose from”*
**Durability**3%
*“Very durable”*
### **What buyers complain about **
**Quality-Overall**16%
*“not well made”*
**Durability**14%
*“Broke Immediately”*
**Size-Overall**14%
*“this was a last minute replacement since the other costume was to big”*
**Product Condition**10%
*“It came used and covered in leaves and pine straw”*
**Ease Of Use**6%
*“way to hard to put on not worth it”*
**Gifting Purpose**6%
*“It's not my gift”*
**Smell**6%
*“Battery make it smelly”*
**Charging**5%
*“It was a gift for my son didnt last a month tho wont charge or turn on”*
**Grip**3%
*“The fingers kept going out”*
**Ease Of Cleaning**3%
*“Returned because it was used and very dirty”*
### **Top return reasons **
**Size-Overall**47%
**Advertised Vs Actual Product**8%
**Functionality-Overall**7%
**Product Condition**4%
**Quality-Overall**4%
**Material Quality**3%
**Brightness/Shine/Glow**3%
**Defective Material/Parts**3%
**Length**3%
**Color**3%
## **Common questions**
- **Is roblox costume profitable to sell on Amazon United States?**
- The niche generates $0/yr across 11 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is -5.9%. Flapen's verdict: Skip it (35/100).
- **How competitive is the roblox costume niche?**
- 11 brands and 33 sellers compete. The top 5 products take 63% of clicks and top 5 brands hold 63% of demand.
- **What do buyers complain about in roblox costume?**
- Top complaints mined from reviews: Quality-Overall, Durability, Size-Overall. The return rate is 4.5%.
- **When does demand for roblox costume peak?**
- Demand peaks in Sep–Oct–Nov; the busiest month runs 86.5× the quietest.
- **What does it cost to enter the roblox costume niche?**
- Listings span $6.59–$43.40; the average listing price is $29.61 (sweet spot $15–$100). The average incumbent carries 1,601 reviews — the moat a new listing must climb.
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