---
title: "Mario Costume — £113K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/toys-games/mario-costume"
last_updated: "2026-07-31T22:27:30.563Z"
locale: en
meta:
description: "Niche score 36/100 · £113K/yr market · 423K searches/yr · £14.17 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 36/100 · £113K/yr market · 423K searches/yr · £14.17 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Mario Costume — £113K/yr Amazon UK Niche (2026) - Flapen"
---
# **mario costume**
**Skip it**
Soft demand (-40.1% this quarter) — this niche doesn't clear our bar today.
Market size 27Growth 5Conversion 24Competition 25Returns 49Price range 57Avg price 68Brand share 24Review moat 81Quality gap 77
**Review moat**
**Great****376.25**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Great****4.3★**
avg incumbent rating — lower means beatable quality
**Avg price**
**Good****£14.17**
avg listing price — sweet spot $15–$100
**Price range**
**Good****£7.69–£24.54**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Returns**
**Okay****3.1%**
return rate — above 5% kills the launch gate
**Market size**
**Okay****£113K**
£113K/yr · 423K searches
**Competition**
**Bad****71%**
top-5 click share — a locked-up shelf
**Conversion**
**Bad****1.9%**
search→purchase rate — share of searches ending in a sale
**Brand share**
**Bad****91%**
top-5 brand share — brand-locked demand
**Growth**
**Bad****-40.1%**
90-day search growth — must beat 0% to launch
According to Flapen's Amazon United Kingdom niche tracking, mario costume is a £113K/yr Amazon United Kingdom market (423K searches/yr). The top 5 brands hold 91% of demand. Demand peaks in Oct–Nov. Verdict: Skip it — 36/100.
Data updated Jul 29, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **mario costume market data**
- **Units sold / yr**
- **8K–10K**
- avg 500–750/product
- **Revenue / yr**
- **£113K–£142K**
- units × avg price
- **Conversion rate**
- **1.9%**
- **Avg BSR**
- **#741**
- **Page quality**
- **0%**
- **Prime**
- **94%**
- **Sponsored**
- **63%**
- **Out of stock**
- **33.1%**
- **Avg brand age**
- **37 months**
- **Avg seller age**
- **192 days**
## **Competition & brand share**
The top 5 products capture 71% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**9 **▲rising
**Sellers**
**26**
**Top-5 brand share**
**91%**
Top 20: 100%
**Top-5 click share**
**71%**
Top 20: 100%
**Open market**
**7%**
- Aomig54% - Disguise12% - BSBUY11% - IDOTTA10% - Super Mario4% - Morph3% - Open — no brand owns it (3 brands, 7%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -40.1% search growth over the last 90 days.
80K60KSpike '24Holiday '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Oct, Nov · busiest ÷ quietest = 14.1×
[**Open Trend **](https://flapen.com/research/uk/toys-games/mario-costume/trend)
## **Top mario costume search terms**
- **mario costume**147K/yr-35.4%1.9% conv. - **mario and luigi costume**78K/yr-50.8%1.7% conv. - **mario costume adult**54K/yr-40.2%3.0% conv. - **super mario costume**20K/yr-50.6%1.1% conv. - **super mario costume adult**14K/yr-37.7%2.1% conv. - **mario costumes**17K/yr-40.4%0.6% conv. - **mario kart costume**11K/yr-30.6%0.3% conv. - **mario fancy dress adult**8K/yr-7.0%2.5% conv. - **mario outfit**11K/yr-31.6%3.0% conv. - **mario character costumes**8K/yr-36.1%0.3% conv. [**All search terms **](https://flapen.com/research/uk/toys-games/mario-costume/search-terms)
## **Top mario costume 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%10%£11K20%£23K30%£34K40%£45K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 16 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Aomig Mario Costumes 4 Pack Mario Cosplay Costume Accessories Kits with Bodysuit Luigi Hats Cap Mustaches White Gloves Mario Luigi Bros Fancy Dress Outfit Costume for Women Men**Aomig**£11.65**4.3★1,303 rev](https://www.amazon.co.uk/dp/B0BMVDS3X3) [2**Aomig Super Plumber Costumes 4 Pack Brothers Workman Cosplay Costume Kits with Bodysuit Hats Cap Mustaches White Gloves 1980s Videogame Bros Fancy Dress Outfit Costume for Women Men(Green)**Aomig**£10.85**4.3★1,303 rev](https://www.amazon.co.uk/dp/B0BMVG3CJX) [3**IDOTTA Super Plumber Cosplay Costume Accessories Kits for Adult Women Men with Bodysuit Hats Cap Mustaches Halloween Fancy Dress Outfit Costume**IDOTTA**£12.40**4.0★3 rev](https://www.amazon.co.uk/dp/B0GT4WDMYL) [4**Disguise Mario Classic Men Costumes Red Medium**Disguise**£24.54**4.2★662 rev](https://www.amazon.co.uk/dp/B084BSP2H8) [5**BSBUY Kids Super Plumber Costume Super Workman Fancy Dress Costume Moustache Brothers Outfit Super Bro Jumpsuit with Cap Beard and Gloves for Boys Girls Halloween Birthday Christmas Cosplay(Red-M)**BSBUY**£8.44**3.9★164 rev](https://www.amazon.co.uk/dp/B0FJXRBD7F)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**BSBUY Adult Super Plumber Costumes 5 Pack Brothers Workman Cosplay Costume Kits with T-shirt Overalls Hats Cap Mustaches Gloves 1980s Videogame Bros Fancy Dress Outfit for Halloween Carnival(Red)**BSBUY**£10.81**6 rev3mo ago](https://www.amazon.co.uk/dp/B0GZ3D3LJ9) [**Super Mario Bomber Jacket Mario Luigi Bowser And Yoshi Boys Jacket Varsity Boys Jackets 9-10 Years**Super Mario**£20.10**18 rev3mo ago](https://www.amazon.co.uk/dp/B0GYFN6P8V) [**IDOTTA Super Plumber Cosplay Costume Accessories Kits for Adult Women Men with Bodysuit Hats Cap Mustaches Halloween Fancy Dress Outfit Costume**IDOTTA**£12.40**3 rev4mo ago](https://www.amazon.co.uk/dp/B0GT4WDMYL) [**IDOTTA Super Plumber Cosplay Costume Accessories Kits for Adult Women Men with Bodysuit Hats Cap Mustaches Halloween Fancy Dress Outfit Costume**IDOTTA**£12.51**3 rev4mo ago](https://www.amazon.co.uk/dp/B0GT4QF6P1) [**Zylora Mario Costume Accessories Kit 3 Pack Cosplay Outfit Set with Bodysuit Luigi Style Hat Cap & Fake Mustaches Fun Fancy Dress Costume for Adults Women & Men**Zylora**£7.69**2 rev7mo ago](https://www.amazon.co.uk/dp/B0G4QWNXFQ)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Super Mario Bomber Jacket Mario Luigi Bowser And Yoshi Boys Jacket Varsity Boys Jackets 9-10 Years**Super Mario**£20.10**4.7★**▲ 356%**](https://www.amazon.co.uk/dp/B0GYFN6P8V) [**IDOTTA Super Plumber Cosplay Costume Accessories Kits for Adult Women Men with Bodysuit Hats Cap Mustaches Halloween Fancy Dress Outfit Costume**IDOTTA**£12.40**4.0★**▲ 354%**](https://www.amazon.co.uk/dp/B0GT4WDMYL) [**BSBUY Adult Super Plumber Costumes 5 Pack Brothers Workman Cosplay Costume Kits with T-shirt Overalls Hats Cap Mustaches Gloves 1980s Videogame Bros Fancy Dress Outfit for Halloween Carnival(Red)**BSBUY**£10.81**4.6★**▲ 352%**](https://www.amazon.co.uk/dp/B0GZ3D3LJ9) [**IDOTTA Super Plumber Cosplay Costume Accessories Kits for Adult Women Men with Bodysuit Hats Cap Mustaches Halloween Fancy Dress Outfit Costume**IDOTTA**£12.51**4.0★**▲ 351%**](https://www.amazon.co.uk/dp/B0GT4QF6P1) [**Zylora Mario Costume Accessories Kit 3 Pack Cosplay Outfit Set with Bodysuit Luigi Style Hat Cap & Fake Mustaches Fun Fancy Dress Costume for Adults Women & Men**Zylora**£7.69**5.0★**▲ 206%**](https://www.amazon.co.uk/dp/B0G4QWNXFQ)
**~~View all trending →~~**
## **What buyers say about mario costume**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Value For Money**34%
*“Great value for money”*
**Quality-Overall**23%
*“Decent enough”*
**Size-Overall**15%
*“The bodysuit fits as expected”*
**Comfort-Overall**7%
*“comfortable”*
**Advertised Vs Actual Product**7%
*“Good item as ordered”*
**Fun/Entertainment Experience**2%
*“kids are very easily thrilled”*
**Material Quality**2%
*“Material thickness is fine”*
**Color**1%
*“The color is vibrant just like shown on the website and it came with the gloves, hat and moustache”*
**Weight Light**1%
*“The hat and cap are lightweight”*
### **What buyers complain about **
**Quality-Overall**17%
*“Bad quality”*
**Value For Money**17%
*“Cheap”*
**Shape/Style**8%
*“Not very flattering for me”*
**Size-Overall**8%
*“was a little on the big side and baggy”*
**Adhesion/Stickiness**6%
*“The only thing I would say is the moustache didnt last long it very quickly lost its stick so maybe an elasticated furry one may have been a better idea”*
**Advertised Vs Actual Product**3%
*“The one I received looks nothing like the one shown in the listing”*
**Material Quality**3%
*“The material isnt premium”*
### **Top return reasons **
**Size-Overall**83%
**Quality-Overall**7%
**Material Quality**3%
**Thin**2%
**Product Condition**1%
**Advertised Vs Actual Product**1%
**Length**1%
**Compatibility-Overall**1%
**Color**1%
**Defective Material/Parts**0%
## **Common questions**
- **Is mario costume profitable to sell on Amazon United Kingdom?**
- The niche generates £113K/yr across 16 tracked products. 0 of 7 products launched in the last 360 days are still selling. 90-day search growth is -40.1%. Flapen's verdict: Skip it (36/100).
- **How competitive is the mario costume niche?**
- 9 brands and 26 sellers compete. The top 5 products take 71% of clicks and top 5 brands hold 91% of demand.
- **What do buyers complain about in mario costume?**
- Top complaints mined from reviews: Quality-Overall, Value For Money, Shape/Style. The return rate is 3.1%.
- **When does demand for mario costume peak?**
- Demand peaks in Oct–Nov; the busiest month runs 14.1× the quietest.
- **What does it cost to enter the mario costume niche?**
- Listings span £7.69–£24.54; the average listing price is £14.17 (sweet spot $15–$100). The average incumbent carries 376 reviews — the moat a new listing must climb.
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