Is viking costume kids profitable to sell on Amazon United Kingdom?

The niche generates £5K/yr across 30 tracked products. 0 of 3 products launched in the last 360 days are still selling. 90-day search growth is -50.5%. Flapen's verdict: Skip it (33/100).

How competitive is the viking costume kids niche?

13 brands and 45 sellers compete. The top 5 products take 51% of clicks and top 5 brands hold 82% of demand.

What do buyers complain about in viking costume kids?

Top complaints mined from reviews: Size-Overall, Stitch/Finish/Polish, Advertised Vs Actual Product. The return rate is 4.8%.

When does demand for viking costume kids peak?

Demand peaks in Feb–Mar–Oct–Nov; the busiest month runs 12.4× the quietest.

What does it cost to enter the viking costume kids niche?

Listings span £5.09–£33.93; the average listing price is £13.92 (sweet spot $15–$100). The average incumbent carries 330 reviews — the moat a new listing must climb.

viking costume kids

Skip it

Soft demand (-50.5% this quarter) — this niche doesn't clear our bar today.

Review moat

Great329.7

avg incumbent reviews — the moat a new listing must climb

Quality gap

Good4.3★

avg incumbent rating — lower means beatable quality

Avg price

Good£13.92

avg listing price — sweet spot $15–$100

Price range

Good£5.09–£33.93

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

Competition

Good51%

top-5 click share — leaders hold, buyers still browse

Brand share

Okay82%

top-5 brand share — brands hold most of the demand

Returns

Okay4.8%

return rate — above 5% kills the launch gate

Conversion

Bad0.3%

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

Market size

Bad£5K

£5K/yr · 142K searches

Growth

Bad-50.5%

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

According to Flapen's Amazon United Kingdom niche tracking, viking costume kids is a £5K/yr Amazon United Kingdom market (142K searches/yr). The top 5 brands hold 82% of demand. Demand peaks in Feb–Mar–Oct–Nov. Verdict: Skip it — 33/100.

Data updated Jul 29, 2026 · scored weekly · How we score niches

viking costume kids market data

Units sold / yr: 3K–4K; avg 0–100/product
Revenue / yr: £42K–£56K; units × avg price
Conversion rate: 0.3%
Avg BSR: #1,766
Page quality: 0%
Prime: 83%
Sponsored: 70%
Out of stock: 16.8%
Avg brand age: 43 months
Avg seller age: 198 days

Competition & brand share

The top 5 products take 51% of clicks — established leaders, but buyers still shop beyond them.

Brands

13 flat

Sellers

Top-5 brand share

82%

Top 20: 100%

Top-5 click share

51%

Top 20: 89%

Open market

13%

HENBRANDT47%
Haloumoning16%
Smiffys8%
Fun Shack7%
Wicked Costumes5%
Generic4%
Open — no brand owns it (7 brands, 13%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -50.5% search growth over the last 90 days.

Peak months: Feb, Mar, Oct, Nov · busiest ÷ quietest = 12.4×

Open Trend

Top viking costume kids search terms

viking costume kids102K/yr -51.2%2.1% conv.
kids viking costume boys10K/yr -51.9%2.5% conv.
childrens viking costume11K/yr -49.6%0.9% conv.
kids viking costume8K/yr -46.9%2.0% conv.
viking costume boys6K/yr -46.4%1.9% conv.
viking outfit kids5K/yr -44.6%2.7% conv.

All search terms

Top viking 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★)1 product missing review or click data not plotted

All 24 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

HENBRANDT Childrens Viking Boy Costume - Fancy Dress Large 7-9

HENBRANDT£11.684.1★90 rev

HENBRANDT Childrens Viking Girl Dragon Tamer Fancy Dress Costume Girls Viking Outfit for Kids (Age 10-12)

HENBRANDT£12.624.2★152 rev

HENBRANDT Childrens Viking Boy Dragon Tamer Fancy Dress Costume with Horned Headpiece Boys Viking Outfit for Kids (Age 10-12)

HENBRANDT£12.374.1★90 rev

Haloumoning Boys Renaissance Pirate Sleeveless T Shirts Kids Viking Medieval Lace-up Shirt Scottish Costume Tank Tops Army green 8-10 Years

Haloumoning£10.164.7★55 rev

Smiffys Viking Costume Brown with Top Trousers & Hat Boys Fancy Dress Viking Dress Up Costumes

Smiffys£10.324.1★664 rev

Newest

by launch date

Viking Costume Kids Lace up Medieval Shirt Tunic Costume Kids Boys Long Sleeve V Neck Blouse Tops Teenagers Renaissance Costumes Vintage Comfy Loose Children Maxi Pirate Shirts Retro Top NO Belt Navy

Generic£12.922 rev

1mo ago

Modaworld Girls Viking Costume Greek Costume Boys Medieval Tunic Childrens Cosplay T-Shirts Halloween Renaissance Warrior Knight Tops

Modaworld£9.970 rev

5mo ago

AYBUY Boys Renaissance Pirate Sleeveless T Shirts Kids Medieval Lace-up Top with Belt V Neck Front Lace Up Closure Split Vest Medieval Waistcoat for Halloween Fancy Dress Cosplay Army Green110

AYBUY£8.7439 rev

12mo ago

Boys Medieval Tunic Childrens Cosplay T-Shirts Costume Halloween Renaissance Viking Warrior Knight Tops Kids Medieval Costume Boys Solid Color Personality Shirts Comfortable

Generic£12.961 rev

1y ago

Boys Medieval Tunic Childrens Cosplay T-Shirts Costume Halloween Renaissance Viking Warrior Knight Tops Kids Medieval Costume Boys Solid Color Personality Shirts Comfy

Generic£14.681 rev

1y ago

What buyers say about viking costume kids

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

What buyers love

Size-Overall32%

“Lovely costume good fit good value good quality for the price”

Quality-Overall27%

“Solid product”

Value For Money14%

“Good value”

Advertised Vs Actual Product9%

“As expected”

What buyers complain about

Size-Overall61%

“Wrong size need to return”

Stitch/Finish/Polish11%

“Poorly stitched and made”

Advertised Vs Actual Product6%

“Size is misleading”

Top return reasons

Size-Overall84%

Quality-Overall8%

Advertised Vs Actual Product3%

Material Quality2%

Stitch/Finish/Polish2%

Thin1%

Product Condition1%

Defective Material/Parts1%

Comfort-Overall1%

Smell0%

Common questions

Is viking costume kids profitable to sell on Amazon United Kingdom?: The niche generates £5K/yr across 30 tracked products. 0 of 3 products launched in the last 360 days are still selling. 90-day search growth is -50.5%. Flapen's verdict: Skip it (33/100).
How competitive is the viking costume kids niche?: 13 brands and 45 sellers compete. The top 5 products take 51% of clicks and top 5 brands hold 82% of demand.
What do buyers complain about in viking costume kids?: Top complaints mined from reviews: Size-Overall, Stitch/Finish/Polish, Advertised Vs Actual Product. The return rate is 4.8%.
When does demand for viking costume kids peak?: Demand peaks in Feb–Mar–Oct–Nov; the busiest month runs 12.4× the quietest.
What does it cost to enter the viking costume kids niche?: Listings span £5.09–£33.93; the average listing price is £13.92 (sweet spot $15–$100). The average incumbent carries 330 reviews — the moat a new listing must climb.