ww2 costumes for kids
Skip itSoft demand (-55.7% this quarter) — this niche doesn't clear our bar today.
Price range
Great£4.81–£71.84cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Great4.2★avg incumbent rating — lower means beatable quality
Competition
Great35%top-5 click share — an open shelf
Avg price
Great£15.48avg listing price — sweet spot $15–$100
Review moat
Good671.76avg incumbent reviews — the moat a new listing must climb
Brand share
Okay80%top-5 brand share — brands hold most of the demand
Returns
Bad5.8%return rate — above 5% kills the launch gate
Conversion
Bad1.5%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
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
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.Peak months: May · busiest ÷ quietest = 26.7×
Top ww2 costumes for kids search terms
- ww2 costumes for kids47K/yr
- world war 2 for children costumes28K/yr
- world war 2 evacuee costume17K/yr
- ww2 costume11K/yr
- evacuee costume7K/yr
- ww1 costume kids6K/yr
- 1940s fancy dress kids1K/yr
- world war 2 costumes for boys4K/yr
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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Smiffys Army Officer Costume Green with Jacket Belt Trousers Hat Mock Shirt & Tie Boys Fancy Dress 1940s Dress Up Costumes Halloween
Smiffys£15.944.2★1,296 rev
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£13.664.1★381 rev
Smiffys Evacuee School Girl Costume Grey with Dress Hat Bag & Name Tag Girls Fancy Dress Child Dress Up Costumes
Smiffys£16.344.4★1,366 rev
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£12.964.5★1,740 rev
Smiffys WWII Evacuee Girls Fancy Dress British World War 2 Book Day Childs Kids Costume Green Medium 7 - 9 Years
Smiffys£15.344.1★1,012 rev
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£10.6412 rev
IKALI Girls Evacuee Costume 4 Pcs VE Day WW2 Costumes 1940s WWII Historical Dresses Outfit Fancy Dress Up for Kids 7-8Y
IKALI£10.5012 rev
Morph Evacuee Costume Boys Victorian Costume Boys WW2 Costumes For Kids World Book Day Costumes For Boys 12-14
Morph£17.8910 rev
Morph Evacuee Costume Boys Victorian Costume Boys WW2 Costumes For Kids World Book Day Costumes For Boys 4-6
Morph£18.5010 rev
Unisex Kids Sleeveless Knitted Vest - V Neck Hem Tank Top Work Office Wear - Girls Boys Lightweight Uniform Shirt Brown
KID1234£16.15152 rev
Trending
90-day click momentumIKALI Girls Evacuee Costume 4 Pcs VE Day WW2 Costumes 1940s WWII Historical Dresses Outfit Fancy Dress Up for Kids 10-12Y
IKALI£10.644.5★
KID1234 Boys Jumper Kids Knit Vest Cotton Knitwear Sleeveless Sweater Pullover Clothes Green 6-7 Years
KID1234£16.994.6★
IKALI Girls Evacuee Costume 4 Pcs VE Day WW2 Costumes 1940s WWII Historical Dresses Outfit Fancy Dress Up for Kids 7-8Y
IKALI£10.504.5★
Unisex Kids Sleeveless Knitted Vest - V Neck Hem Tank Top Work Office Wear - Girls Boys Lightweight Uniform Shirt Brown
KID1234£16.154.6★
Smiffys Evacuee Girl Costume Patterned with Dress Satchel ID Tag & Beret Girls Fancy Dress 1940s Dress Up Costumes
Smiffys£13.454.5★
What buyers say about ww2 costumes for kids
What buyers praise and complain about, mined from review topics.What buyers love
“the sizing is accurate”
“seems to be good quality”
“Did the job intended”
“Good value”
“Its all in one costume material and fits well”
“Actually quite soft and nice fabric”
“The dress design is quite clear”
“with a thicker feel to it than the dress and cardigan, it provides a good place to carry essentials”
“comfortable and worth the value”
“a sturdy feel that held up through a full school day”
What buyers complain about
“the material is quite inexpensive”
“Bad fit”
“Poor quality”
“no string for it”
“skirt ripped apart on both sides after few hours of wearing”
“Quite thin fabric”
“The beret in my opinion was an odd shape”
“The green of the costume isn't quite the same as the listing”
“Not worth money”
“Stitching could be a bit more robust in places”
Top return reasons
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.