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.

devil costume kids

Skip it

A small market ($0/yr) — this niche doesn't clear our bar today.

Quality gap

Great4.2★

avg incumbent rating — lower means beatable quality

Review moat

Great401.29

avg incumbent reviews — the moat a new listing must climb

Avg price

Good£13.16

avg listing price — sweet spot $15–$100

Returns

Okay4.0%

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

Bad90%

top-5 click share — a locked-up shelf

Market size

Bad£0

£0/yr · 125K searches

Conversion

Bad0.0%

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

Brand share

Bad100%

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

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

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

90%

Top 20: 100%

Open market

amscan33%
Rubies21%
REDSTAR20%
ACWOO16%
Carreuty10%

Demand

Weekly Amazon search volume, last 37 weeks — -24.1% search growth over the last 90 days.

Open Trend

Top devil costume kids search terms

devil costume kids47K/yr -20.3%0.4% conv.
girls devil costume26K/yr -4.1%0.9% conv.
kids devil costume5K/yr +46.4%0.0% conv.
kids devil outfit11K/yr +22.4%0.0% conv.
devil halloween costume kids4K/yr -40.2%0.0% conv.
devil costume girls4K/yr +46.9%0.0% conv.
girls devil halloween costume7K/yr -37.5%0.0% conv.
kids devil costume girls13K/yr -89.8%0.0% conv.
devil costume kids girls8K/yr -91.5%0.0% conv.

All 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.

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

Bristol Novelty 3015575-6000 Classic Devil Girl Costume Red Age 5-6 Years Halloween

Rubies£18.404.0★46 rev

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£13.733.8★155 rev

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£9.114.2★1,052 rev

(PKT) (9911948) Child Girls Little Devil (3-4yr) Red

amscan£11.834.4★237 rev

(PKT) (997493) Child Girls Daredevil Costume (12-14yrs) - by amscan

amscan£14.704.3★861 rev

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£11.4313 rev

1y ago

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£9.111,052 rev

1y ago

Bristol Novelty 3015575-6000 Classic Devil Girl Costume Red Age 5-6 Years Halloween

Rubies£18.4046 rev

3y ago

(PKT) (9911948) Child Girls Little Devil (3-4yr) Red

amscan£11.83237 rev

5y ago

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£13.73155 rev

5y ago

What buyers say about devil costume kids

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

What buyers love

Size-Overall100%

“Super cute and fitted really well”

Top return reasons