roman costume kids
Skip itSoft demand (-33.3% this quarter) — this niche doesn't clear our bar today.
Quality gap
Great4.2★avg incumbent rating — lower means beatable quality
Review moat
Good525.21avg incumbent reviews — the moat a new listing must climb
Brand share
Good61%top-5 brand share — brands hold most of the demand
Competition
Good51%top-5 click share — leaders hold, buyers still browse
Avg price
Good£12.15avg listing price — sweet spot $15–$100
Price range
Okay£7.23–£22.26cheapest to priciest tracked listing — scored on the share inside $15–$100
Returns
Okay3.5%return rate — above 5% kills the launch gate
Conversion
Okay2.2%search→purchase rate — share of searches ending in a sale
Market size
Bad£52K£52K/yr · 196K searches
Growth
Bad-33.3%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United Kingdom niche tracking, roman costume kids is a £52K/yr Amazon United Kingdom market (196K searches/yr). The top 5 brands hold 61% of demand. Demand peaks in Feb–Mar–Oct–Nov. Verdict: Skip it — 43/100.
Data updated Jul 29, 2026 · scored weekly · How we score niches
roman costume kids market data
- Units sold / yr
- 5K–6K
- avg 100–250/product
- Revenue / yr
- £61K–£73K
- units × avg price
- Conversion rate
- 2.2%
- Avg BSR
- #634
- Page quality
- 0%
- Prime
- 83%
- Sponsored
- 62%
- Out of stock
- 0.9%
- Avg brand age
- 42 months
- Avg seller age
- 203 days
Competition & brand share
The top 5 products take 51% of clicks — established leaders, but buyers still shop beyond them.Brands
17 rising
Sellers
57
Top-5 brand share
61%
Top 20: 100%
Top-5 click share
51%
Top 20: 89%
Open market
31%
- Wicked Costumes17%
- WIKITOT13%
- Smiffys13%
- amscan9%
- Henbrandt9%
- My Illusions8%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -33.3% search growth over the last 90 days.Peak months: Feb, Mar, Oct, Nov · busiest ÷ quietest = 14.3×
Top roman costume kids search terms
- roman costume kids82K/yr
- roman costume23K/yr
- kids roman costume boys10K/yr
- roman soldier costume kids22K/yr
- roman costume boys7K/yr
- roman outfit boys7K/yr
- roman outfit5K/yr
- roman fancy dress4K/yr
- boys roman costume 8-104K/yr
- gladiator costume kids5K/yr
Top roman 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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Wicked Costumes Boys Roman Centurion Fancy Dress Costume Gladiator Warrior Outfit for World Book Day School Plays Ancient Rome & Parties Nativity Easter Halloween - X-Large (11-13 Years)
Wicked Costumes£11.454.4★2,566 rev
WIKITOT Roman Costume Kids Halloween Costumes for Boys Aged 5-13(M)
WIKITOT£12.924.4★162 rev
amscan 9904327 Childs Boys Roman Gladiator Fancy Dress Costume Age 11-13 Years
amscan£9.414.3★2,789 rev
My Illusions Boys Roman Centurion Large + Helmet
My Illusions£15.484.4★62 rev
Smiffys Roman Soldier Costume Black with Tunic Attached Cape Arm & Leg Cuffs Boys Fancy Dress Child Dress Up Costumes
Smiffys£12.054.5★1,427 rev
Newest
by launch date
Fictoria Roman Greek Costume Boys - Ancient Roman Emperor Toga Fancy Dress Costume with Gold Leaf Headband Belt Wristbands and Necklace for Kids Halloween Cosplay (S)
Fictoria£10.213 rev
Morph Gladiator Costume Kid Roman Gladiator Costume Kids Boys Gladiators Costume Boys Halloween Costume Medium(7-9Y)
Morph£21.013 rev
Morph Gladiator Costume Kid Roman Gladiator Costume Kids Boys Gladiators Costume Boys Halloween Costume Small (4-6Y)
Morph£22.263 rev
Roman Costume Kids L Ancient Greek Fancy Dress Outfit Boys Age 7 8 9 10
Tikplus£12.986 rev
BSBUY Ancient Roman Greek Costume Girls Kids White Red Greek Goddess Long Robe Roman Toga Fancy Dress Costume Roman Dress Up Outfit with Belt Headband Wristband for Halloween World Book Day(120)
BSBUY£10.7780 rev
Trending
90-day click momentumFictoria Roman Greek Costume Boys - Ancient Roman Emperor Toga Fancy Dress Costume with Gold Leaf Headband Belt Wristbands and Necklace for Kids Halloween Cosplay (S)
Fictoria£10.215.0★
Morph Gladiator Costume Kid Roman Gladiator Costume Kids Boys Gladiators Costume Boys Halloween Costume Small (4-6Y)
Morph£22.265.0★
AOOWU Girls Roman Greek Goddess Child Roman Toga Costume with Headpiece Shawl and Belt Girl Book Week Fancy Dress Costume Kids Red & White Glamorous Dress for Cosplay Masquerade Halloween
AOOWU£7.234.1★
Morph Gladiator Costume Kid Roman Gladiator Costume Kids Boys Gladiators Costume Boys Halloween Costume Medium(7-9Y)
Morph£21.015.0★
Oyolan Kids Girls Greek Toga Roman Princess Dress-up with Headband Set Ancient Greece Mythos Philosopher Grecian Outfit Lavender 11-12 Years
Oyolan£14.124.4★
What buyers say about roman costume kids
What buyers praise and complain about, mined from review topics.What buyers love
“Good size”
“Good quality”
“Did the job”
“Great value for money”
“Birthday gift”
“Very pretty”
What buyers complain about
“it wouldnt fit”
“Quite cheaply made”
“the belt and headband broke within seconds of my daughter trying it on”
“Too thin”
“However the stitching is not the best, the belt and headband broke within seconds of my daughter trying it on”
“Looks nothing like the picture the shawl at the front is a bib no shape”
“the red color came out”
“slightly more expensive”
“a strap was snapped just from taking it out of the packaging”
“When one of the shin pads was put on the elastic instantly broke”
Top return reasons
Common questions
- Is roman costume kids profitable to sell on Amazon United Kingdom?
- The niche generates £52K/yr across 29 tracked products. 0 of 8 products launched in the last 360 days are still selling. 90-day search growth is -33.3%. Flapen's verdict: Skip it (43/100).
- How competitive is the roman costume kids niche?
- 17 brands and 57 sellers compete. The top 5 products take 51% of clicks and top 5 brands hold 61% of demand.
- What do buyers complain about in roman costume kids?
- Top complaints mined from reviews: Size-Overall, Quality-Overall, Durability. The return rate is 3.5%.
- When does demand for roman costume kids peak?
- Demand peaks in Feb–Mar–Oct–Nov; the busiest month runs 14.3× the quietest.
- What does it cost to enter the roman costume kids niche?
- Listings span £7.23–£22.26; the average listing price is £12.15 (sweet spot $15–$100). The average incumbent carries 525 reviews — the moat a new listing must climb.