---
title: "Ww2 Costumes for Kids — £27K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/toys-games/ww2-costumes-for-kids"
last_updated: "2026-07-31T11:51:53.343Z"
locale: en
meta:
description: "Niche score 41/100 · £27K/yr market · 121K searches/yr · £15.48 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 41/100 · £27K/yr market · 121K searches/yr · £15.48 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Ww2 Costumes for Kids — £27K/yr Amazon UK Niche (2026) - Flapen"
---
# **ww2 costumes for kids**
**Skip it**
Soft demand (-55.7% this quarter) — this niche doesn't clear our bar today.
Market size 7Growth 0Conversion 18Competition 80Returns 22Price range 83Avg price 76Brand share 42Review moat 71Quality gap 82
**Price range**
**Great****£4.81–£71.84**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Great****4.2★**
avg incumbent rating — lower means beatable quality
**Competition**
**Great****35%**
top-5 click share — an open shelf
**Avg price**
**Great****£15.48**
avg listing price — sweet spot $15–$100
**Review moat**
**Good****671.76**
avg incumbent reviews — the moat a new listing must climb
**Brand share**
**Okay****80%**
top-5 brand share — brands hold most of the demand
**Returns**
**Bad****5.8%**
return rate — above 5% kills the launch gate
**Conversion**
**Bad****1.5%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Bad****£27K**
£27K/yr · 121K searches
**Growth**
**Bad****-55.7%**
90-day search growth — must beat 0% to launch
**Signals**[** High Returns**](https://flapen.com/research/niches?market=uk&signal=high_returns "Return rate > 5%")
According to Flapen's Amazon United Kingdom niche tracking, ww2 costumes for kids is a £27K/yr Amazon United Kingdom market (121K searches/yr). The top 5 brands hold 80% of demand. Demand peaks in May. Verdict: Skip it — 41/100.
Data updated Jul 29, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **ww2 costumes for kids market data**
- **Units sold / yr**
- **2K–2K**
- avg 0–100/product
- **Revenue / yr**
- **£23K–£31K**
- units × avg price
- **Conversion rate**
- **1.5%**
- **Avg BSR**
- **#653**
- **Page quality**
- **0%**
- **Prime**
- **91%**
- **Sponsored**
- **41%**
- **Out of stock**
- **6.1%**
- **Avg brand age**
- **55 months**
- **Avg seller age**
- **189 days**
## **Competition & brand share**
Clicks spread well past the top 5 (35% combined) — an open shelf where new products get seen.
**Brands**
**16 **▲rising
**Sellers**
**57**
**Top-5 brand share**
**80%**
Top 20: 100%
**Top-5 click share**
**35%**
Top 20: 76%
**Open market**
**16%**
- Smiffys53% - HENBRANDT13% - Fun Shack5% - Morph5% - Rubies4% - IKALI4% - Open — no brand owns it (10 brands, 16%)
## **Demand & seasonality**
Weekly Amazon search volume, last 65 weeks — -55.7% search growth over the last 90 days.
35K25KSpike '25Holiday '25Spike '26 seasonMayJunJulAugSepOctNovDecJanFebMarAprMayJunJul
Peak months: May · busiest ÷ quietest = 26.7×
[**Open Trend **](https://flapen.com/research/uk/toys-games/ww2-costumes-for-kids/trend)
## **Top ww2 costumes for kids search terms**
- **ww2 costumes for kids**47K/yr-52.8%1.2% conv. - **world war 2 for children costumes**28K/yr-60.4%1.4% conv. - **world war 2 evacuee costume**17K/yr-55.3%1.8% conv. - **ww2 costume**11K/yr-56.3%0.2% conv. - **evacuee costume**7K/yr-50.0%1.8% conv. - **ww1 costume kids**6K/yr-67.3%0.8% conv. - **1940s fancy dress kids**1K/yr+229.4%1.5% conv. - **world war 2 costumes for boys**4K/yr-73.8%2.6% conv. [**All search terms **](https://flapen.com/research/uk/toys-games/ww2-costumes-for-kids/search-terms)
## **Top ww2 costumes for 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%3%£8226%£2K9%£2K12%£3K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Smiffys Army Officer Costume Green with Jacket Belt Trousers Hat Mock Shirt & Tie Boys Fancy Dress 1940s Dress Up Costumes Halloween**Smiffys**£15.94**4.2★1,296 rev](https://www.amazon.co.uk/dp/B00SBYR9YM) [2**HENBRANDT Childrens World War Two Evacuee Boy Costume - Authentic Historical Fancy Dress Outfit for School Events Book Days Medium Size Ages 7-9 Years**HENBRANDT**£13.66**4.1★381 rev](https://www.amazon.co.uk/dp/B00TRCHXKW) [3**Smiffys Evacuee School Girl Costume Grey with Dress Hat Bag & Name Tag Girls Fancy Dress Child Dress Up Costumes**Smiffys**£16.34**4.4★1,366 rev](https://www.amazon.co.uk/dp/B01M59RF99) [4**Smiffys Evacuee Girl Costume Patterned 1940s Dress with Satchel ID Tag and Beret Girls World War II Fancy Dress Historical School Event Book Week Dress Up Costume**Smiffys**£12.96**4.5★1,740 rev](https://www.amazon.co.uk/dp/B00SBYQRFE) [5**Smiffys WWII Evacuee Girls Fancy Dress British World War 2 Book Day Childs Kids Costume Green Medium 7 - 9 Years**Smiffys**£15.34**4.1★1,012 rev](https://www.amazon.co.uk/dp/B01M8GQEYW)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**IKALI Girls Evacuee Costume 4 Pcs VE Day WW2 Costumes 1940s WWII Historical Dresses Outfit Fancy Dress Up for Kids 10-12Y**IKALI**£10.64**12 rev6mo ago](https://www.amazon.co.uk/dp/B0GHQJ1RDP) [**IKALI Girls Evacuee Costume 4 Pcs VE Day WW2 Costumes 1940s WWII Historical Dresses Outfit Fancy Dress Up for Kids 7-8Y**IKALI**£10.50**12 rev6mo ago](https://www.amazon.co.uk/dp/B0GHQHY4WC) [**Morph Evacuee Costume Boys Victorian Costume Boys WW2 Costumes For Kids World Book Day Costumes For Boys 12-14**Morph**£17.89**10 rev6mo ago](https://www.amazon.co.uk/dp/B0FHHYYFL8) [**Morph Evacuee Costume Boys Victorian Costume Boys WW2 Costumes For Kids World Book Day Costumes For Boys 4-6**Morph**£18.50**10 rev6mo ago](https://www.amazon.co.uk/dp/B0FHHZRKNZ) [**Unisex Kids Sleeveless Knitted Vest - V Neck Hem Tank Top Work Office Wear - Girls Boys Lightweight Uniform Shirt Brown**KID1234**£16.15**152 rev1y ago](https://www.amazon.co.uk/dp/B0DQ5412XL)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**IKALI Girls Evacuee Costume 4 Pcs VE Day WW2 Costumes 1940s WWII Historical Dresses Outfit Fancy Dress Up for Kids 10-12Y**IKALI**£10.64**4.5★**▲ 476%**](https://www.amazon.co.uk/dp/B0GHQJ1RDP) [**KID1234 Boys Jumper Kids Knit Vest Cotton Knitwear Sleeveless Sweater Pullover Clothes Green 6-7 Years**KID1234**£16.99**4.6★**▲ 419%**](https://www.amazon.co.uk/dp/B0BTYJCNDQ) [**IKALI Girls Evacuee Costume 4 Pcs VE Day WW2 Costumes 1940s WWII Historical Dresses Outfit Fancy Dress Up for Kids 7-8Y**IKALI**£10.50**4.5★**▲ 397%**](https://www.amazon.co.uk/dp/B0GHQHY4WC) [**Unisex Kids Sleeveless Knitted Vest - V Neck Hem Tank Top Work Office Wear - Girls Boys Lightweight Uniform Shirt Brown**KID1234**£16.15**4.6★**▲ 193%**](https://www.amazon.co.uk/dp/B0DQ5412XL) [**Smiffys Evacuee Girl Costume Patterned with Dress Satchel ID Tag & Beret Girls Fancy Dress 1940s Dress Up Costumes**Smiffys**£13.45**4.5★**▲ 128%**](https://www.amazon.co.uk/dp/B00SBYQVIM)
**~~View all trending →~~**
## **What buyers say about ww2 costumes for kids**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**24%
*“the sizing is accurate”*
**Quality-Overall**21%
*“seems to be good quality”*
**Advertised Vs Actual Product**13%
*“Did the job intended”*
**Value For Money**12%
*“Good value”*
**Material Quality**5%
*“Its all in one costume material and fits well”*
**Upholstery/Fabric Quality**4%
*“Actually quite soft and nice fabric”*
**Design-Overall**2%
*“The dress design is quite clear”*
**Thickness**1%
*“with a thicker feel to it than the dress and cardigan, it provides a good place to carry essentials”*
**Comfort-Overall**1%
*“comfortable and worth the value”*
**Strength**1%
*“a sturdy feel that held up through a full school day”*
### **What buyers complain about **
**Material Quality**23%
*“the material is quite inexpensive”*
**Size-Overall**20%
*“Bad fit”*
**Quality-Overall**8%
*“Poor quality”*
**Strap/String Quality**6%
*“no string for it”*
**Durability**6%
*“skirt ripped apart on both sides after few hours of wearing”*
**Thickness**3%
*“Quite thin fabric”*
**Shape/Style**2%
*“The beret in my opinion was an odd shape”*
**Color**2%
*“The green of the costume isn't quite the same as the listing”*
**Value For Money**2%
*“Not worth money”*
**Stitch/Finish/Polish**1%
*“Stitching could be a bit more robust in places”*
### **Top return reasons **
**Size-Overall**76%
**Quality-Overall**8%
**Material Quality**4%
**Thin**3%
**Advertised Vs Actual Product**2%
**Stitch/Finish/Polish**1%
**Durability**1%
**Shape/Style**1%
**Color**1%
**Defective Material/Parts**1%
## **Common questions**
- **Is ww2 costumes for kids profitable to sell on Amazon United Kingdom?**
- The niche generates £27K/yr across 46 tracked products. 0 of 5 products launched in the last 360 days are still selling. 90-day search growth is -55.7%. Flapen's verdict: Skip it (41/100).
- **How competitive is the ww2 costumes for kids niche?**
- 16 brands and 57 sellers compete. The top 5 products take 35% of clicks and top 5 brands hold 80% of demand.
- **What do buyers complain about in ww2 costumes for kids?**
- Top complaints mined from reviews: Material Quality, Size-Overall, Quality-Overall. The return rate is 5.8% — above our launch gate.
- **When does demand for ww2 costumes for kids peak?**
- Demand peaks in May; the busiest month runs 26.7× the quietest.
- **What does it cost to enter the ww2 costumes for kids niche?**
- Listings span £4.81–£71.84; the average listing price is £15.48 (sweet spot $15–$100). The average incumbent carries 672 reviews — the moat a new listing must climb.
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