---
title: "Devil Costume Kids — £0/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/toys-games/devil-costume-kids"
last_updated: "2026-07-31T11:31:55.915Z"
locale: en
meta:
description: "Niche score 24/100 · £0/yr market · 125K searches/yr · £13.16 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 24/100 · £0/yr market · 125K searches/yr · £13.16 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Devil Costume Kids — £0/yr Amazon UK Niche (2026) - Flapen"
---
# **devil costume kids**
**Skip it**
A small market ($0/yr) — this niche doesn't clear our bar today.
Market size 0Growth 13Conversion 0Competition 8Returns 37Price range 37Avg price 60Brand share 0Review moat 80Quality gap 82
**Quality gap**
**Great****4.2★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Great****401.29**
avg incumbent reviews — the moat a new listing must climb
**Avg price**
**Good****£13.16**
avg listing price — sweet spot $15–$100
**Returns**
**Okay****4.0%**
return rate — above 5% kills the launch gate
**Price range**
**Okay****£9.11–£18.40**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Growth**
**Bad****-24.1%**
90-day search growth — must beat 0% to launch
**Competition**
**Bad****90%**
top-5 click share — a locked-up shelf
**Market size**
**Bad****£0**
£0/yr · 125K searches
**Conversion**
**Bad****0.0%**
search→purchase rate — share of searches ending in a sale
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United Kingdom niche tracking, devil costume kids is a £0/yr Amazon United Kingdom market (125K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 24/100.
Data updated Jul 29, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **devil costume kids market data**
- **Units sold / yr**
- **2K–2K**
- avg 0–100/product
- **Revenue / yr**
- **£20K–£26K**
- units × avg price
- **Conversion rate**
- **0.0%**
- **Avg BSR**
- **#2,588**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **29%**
- **Out of stock**
- **23.7%**
- **Avg brand age**
- **39 months**
- **Avg seller age**
- **206 days**
## **Competition & brand share**
The top 5 products capture 90% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**5 **▲rising
**Sellers**
**17**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**90%**
Top 20: 100%
**Open market**
**0%**
- amscan33% - Rubies21% - REDSTAR20% - ACWOO16% - Carreuty10%
## **Demand**
Weekly Amazon search volume, last 37 weeks — -24.1% search growth over the last 90 days.
23K18KSpike '26Prime Day '26Nov '25Dec '25Jan '26Mar '26May '26Jun '26
[**Open Trend **](https://flapen.com/research/uk/toys-games/devil-costume-kids/trend)
## **Top devil costume kids search terms**
- **devil costume kids**47K/yr-20.3%0.4% conv. - **girls devil costume**26K/yr-4.1%0.9% conv. - **kids devil costume**5K/yr+46.4%0.0% conv. - **kids devil outfit**11K/yr+22.4%0.0% conv. - **devil halloween costume kids**4K/yr-40.2%0.0% conv. - **devil costume girls**4K/yr+46.9%0.0% conv. - **girls devil halloween costume**7K/yr-37.5%0.0% conv. - **kids devil costume girls**13K/yr-89.8%0.0% conv. - **devil costume kids girls**8K/yr-91.5%0.0% conv. [**All search terms **](https://flapen.com/research/uk/toys-games/devil-costume-kids/search-terms)
## **Top devil costume kids 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%10%£020%£030%£040%£0101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 7 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Bristol Novelty 3015575-6000 Classic Devil Girl Costume Red Age 5-6 Years Halloween**Rubies**£18.40**4.0★46 rev](https://www.amazon.co.uk/dp/B0BFBQ5XXP) [2**4pc Kids Devil Costume Accessories Includes; Red Feather Wings Devil Horns Headband Pitchfork Halloween Prop and Red Tutu Skirt - Fallen Angel Costume Girls Halloween Outfit Fancy Dress for Kids**REDSTAR**£13.73**3.8★155 rev](https://www.amazon.co.uk/dp/B09GW69NTC) [3**ACWOO 6pcs Kids Devil Halloween Costume Devil Fancy Dress Include Red Devil Horns Headband Angel Wings Tutu Dress Demon Tail Bowtie Sticker Angel Costume Cosplay for Halloween Party Christmas**ACWOO**£9.11**4.2★1,052 rev](https://www.amazon.co.uk/dp/B0DD3XN1P2) [4**(PKT) (9911948) Child Girls Little Devil (3-4yr) Red**amscan**£11.83**4.4★237 rev](https://www.amazon.co.uk/dp/B095GV1D7C) [5**(PKT) (997493) Child Girls Daredevil Costume (12-14yrs) - by amscan**amscan**£14.70**4.3★861 rev](https://www.amazon.co.uk/dp/B00M83R97O)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Carreuty 4 Pcs Red Devil Costume for Women Halloween Angel Wings Fancy Dress Sets with Devil Wings Red Tutu Trident Fork Prop Devil Horns Headband Halloween Costumes**Carreuty**£11.43**13 rev1y ago](https://www.amazon.co.uk/dp/B0DY77VBBD) [**ACWOO 6pcs Kids Devil Halloween Costume Devil Fancy Dress Include Red Devil Horns Headband Angel Wings Tutu Dress Demon Tail Bowtie Sticker Angel Costume Cosplay for Halloween Party Christmas**ACWOO**£9.11**1,052 rev1y ago](https://www.amazon.co.uk/dp/B0DD3XN1P2) [**Bristol Novelty 3015575-6000 Classic Devil Girl Costume Red Age 5-6 Years Halloween**Rubies**£18.40**46 rev3y ago](https://www.amazon.co.uk/dp/B0BFBQ5XXP) [**(PKT) (9911948) Child Girls Little Devil (3-4yr) Red**amscan**£11.83**237 rev5y ago](https://www.amazon.co.uk/dp/B095GV1D7C) [**4pc Kids Devil Costume Accessories Includes; Red Feather Wings Devil Horns Headband Pitchfork Halloween Prop and Red Tutu Skirt - Fallen Angel Costume Girls Halloween Outfit Fancy Dress for Kids**REDSTAR**£13.73**155 rev5y ago](https://www.amazon.co.uk/dp/B09GW69NTC)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**(PKT) (9911948) Child Girls Little Devil (3-4yr) Red**amscan**£11.83**4.4★**▲ 1000%**](https://www.amazon.co.uk/dp/B095GV1D7C) [**Carreuty 4 Pcs Red Devil Costume for Women Halloween Angel Wings Fancy Dress Sets with Devil Wings Red Tutu Trident Fork Prop Devil Horns Headband Halloween Costumes**Carreuty**£11.43**4.4★**▲ 153%**](https://www.amazon.co.uk/dp/B0DY77VBBD) [**ACWOO 6pcs Kids Devil Halloween Costume Devil Fancy Dress Include Red Devil Horns Headband Angel Wings Tutu Dress Demon Tail Bowtie Sticker Angel Costume Cosplay for Halloween Party Christmas**ACWOO**£9.11**4.2★**— 8%**](https://www.amazon.co.uk/dp/B0DD3XN1P2) [**Bristol Novelty 3015575-6000 Classic Devil Girl Costume Red Age 5-6 Years Halloween**Rubies**£18.40**4.0★**▼ 14%**](https://www.amazon.co.uk/dp/B0BFBQ5XXP) [**(PKT) (997493) Child Girls Daredevil Costume (12-14yrs) - by amscan**amscan**£14.70**4.3★**▼ 16%**](https://www.amazon.co.uk/dp/B00M83R97O)
**~~View all trending →~~**
## **What buyers say about devil costume kids**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**100%
*“Super cute and fitted really well”*
### **Top return reasons **
**Size-Overall**100%
## **Common questions**
- **Is devil costume kids profitable to sell on Amazon United Kingdom?**
- The niche generates £0/yr across 7 tracked products. 90-day search growth is -24.1%. Flapen's verdict: Skip it (24/100).
- **How competitive is the devil costume kids niche?**
- 5 brands and 17 sellers compete. The top 5 products take 90% of clicks and top 5 brands hold 100% of demand.
- **What does it cost to enter the devil costume kids niche?**
- Listings span £9.11–£18.40; the average listing price is £13.16 (sweet spot $15–$100). The average incumbent carries 401 reviews — the moat a new listing must climb.
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