---
title: "Rumi Sword — £84K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/toys-games/rumi-sword"
last_updated: "2026-07-31T12:50:17.529Z"
locale: en
meta:
description: "Niche score 46/100 · £84K/yr market · 240K searches/yr · £13.46 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 46/100 · £84K/yr market · 240K searches/yr · £13.46 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Rumi Sword — £84K/yr Amazon UK Niche (2026) - Flapen"
---
# **rumi sword**
**Skip it**
Soft demand (-51.3% this quarter) — this niche doesn't clear our bar today.
Market size 21Growth 0Conversion 33Competition 37Returns 80Price range 48Avg price 62Brand share 58Review moat 98Quality gap 100
**Quality gap**
**Incredible****2.4★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Incredible****43.21**
avg incumbent reviews — the moat a new listing must climb
**Returns**
**Great****1.8%**
return rate — above 5% kills the launch gate
**Avg price**
**Good****£13.46**
avg listing price — sweet spot $15–$100
**Brand share**
**Good****70%**
top-5 brand share — brands hold most of the demand
**Price range**
**Okay****£4.44–£24.57**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Competition**
**Okay****63%**
top-5 click share — leaders hold, buyers still browse
**Conversion**
**Okay****2.6%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Bad****£84K**
£84K/yr · 240K searches
**Growth**
**Bad****-51.3%**
90-day search growth — must beat 0% to launch
**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=uk&signal=low_review_barrier "Top brand's reviews < 500") [** Quality Gap**](https://flapen.com/research/niches?market=uk&signal=quality_gap "Avg rating < 4.0")
According to Flapen's Amazon United Kingdom niche tracking, rumi sword is a £84K/yr Amazon United Kingdom market (240K searches/yr). The top 5 brands hold 70% of demand. Verdict: Skip it — 46/100.
Data updated Jul 29, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **rumi sword market data**
- **Units sold / yr**
- **6K–8K**
- avg 100–250/product
- **Revenue / yr**
- **£81K–£108K**
- units × avg price
- **Conversion rate**
- **2.6%**
- **Avg BSR**
- **#243**
- **Page quality**
- **0%**
- **Prime**
- **74%**
- **Sponsored**
- **84%**
- **Out of stock**
- **15.4%**
- **Avg brand age**
- **27 months**
- **Avg seller age**
- **203 days**
## **Competition & brand share**
The top 5 products take 63% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**17 **▲rising
**Sellers**
**19**
**Top-5 brand share**
**70%**
Top 20: 100%
**Top-5 click share**
**63%**
Top 20: 100%
**Open market**
**25%**
- Gugxiom22% - CCYLEZ17% - SpirWoRchlan16% - SENECESLI8% - Yanmis8% - Topiky5%
## **Demand**
Weekly Amazon search volume, last 42 weeks — -51.3% search growth over the last 90 days.
15K10KHoliday '25Oct '25Nov '25Jan '26Mar '26Apr '26Jun '26
[**Open Trend **](https://flapen.com/research/uk/toys-games/rumi-sword/trend)
## **Top rumi sword search terms**
- **rumi sword**114K/yr-49.2%2.5% conv. - **rumi sword from kpop demon hunters**26K/yr-49.7%3.2% conv. - **kpop sword**12K/yr-45.8%1.8% conv. - **kpop demon hunters sword**22K/yr-59.4%1.4% conv. - **k pop demon hunters sword**13K/yr-54.6%2.4% conv. - **k pop sword**8K/yr-54.6%2.9% conv. - **kpop demon hunters weapons**13K/yr-49.2%1.2% conv. - **kpop demon hunter sword**5K/yr-48.4%2.5% conv. - **demon hunter sword**5K/yr-53.0%1.8% conv. - **kpop demon hunters rumi sword**7K/yr-35.1%1.7% conv. [**All search terms **](https://flapen.com/research/uk/toys-games/rumi-sword/search-terms)
## **Top rumi sword 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%£8K20%£17K30%£25K40%£34K1101001K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)3 products missing review or click data not plotted
All 19 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Gugxiom Rumi Sword Cosplay Prop Replica Rumi Costume Sword Cosplay Fantasy Accessory Halloween Costume Festival Holiday Gifts Yellow Blue**Gugxiom**£17.00**2.0★31 rev](https://www.amazon.co.uk/dp/B0G6GFB7BG) [2**CCYLEZ Cosplay Costume Sword 3D Printed Sword Retractable Colorful Cosplay Sword for Role Playing Festival Costume Accessory**CCYLEZ**£14.35**1.4★18 rev](https://www.amazon.co.uk/dp/B0G2T48DK1) [3**Rum-i Swor-d From Kp-op Anime Hunters - R-umis Four Tiger Swor-d For Kids Halloween Party Cosplay Costume Props Korean Cartoon Movie Accessories For Kids Adults (Purple)**SpirWoRchlan**£5.48**2.5★7 rev](https://www.amazon.co.uk/dp/B0GJRQ245Y) [4**SENECESLI 3D Printed Cosplay Sword 38 Inch Retractable Design Lightweight for Festival & Costume Parties Cosplay Anime Costume Accessories**SENECESLI**£17.71**1.8★23 rev](https://www.amazon.co.uk/dp/B0G2YHPD87) [5**Rum-i Swor-d From Kp-op Anime Hunters - Extendable Telescopic 40 Inches R-umis Four Tiger Swor-d For Kids Halloween Party Cosplay Costume Props Korean Cartoon Movie Accessories For Kids Adults (A)**SpirWoRchlan**£10.53**1.9★8 rev](https://www.amazon.co.uk/dp/B0GJRZNGPT)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Ejoyous 3D Printed Sword Retractable Colorful Cosplay Sword with High Density PLA Material for Role Playing Costume Party Festival Accessory**Ejoyous**£15.56**0 rev4mo ago](https://www.amazon.co.uk/dp/B0GR8MNZ6C) [**Next Level Cosplay Prop Replica Rumi Foam Sword**Next Level**£24.57**2 rev5mo ago](https://www.amazon.co.uk/dp/B0GQCFXLW8) [**3 Pcs Hunter Cosplay Weapon Purple Plastic Daggers Cosplay Weapons Multifunctional Demon Hunters Sword Prop Replicas for Cos Costume Party Carnival Outfits Accessories Can Also Be Used as Bookmarks**FNSIGHD**£4.44**0 rev5mo ago](https://www.amazon.co.uk/dp/B0GKZJN1MV) [**Rum-i Swor-d From Kp-op Anime Hunters - R-umis Four Tiger Swor-d For Kids Halloween Party Cosplay Costume Props Korean Cartoon Movie Accessories For Kids Adults (Purple)**SpirWoRchlan**£5.48**7 rev6mo ago](https://www.amazon.co.uk/dp/B0GJRQ245Y) [**Rum-i Swor-d From Kp-op Anime Hunters - Extendable Telescopic 40 Inches R-umis Four Tiger Swor-d For Kids Halloween Party Cosplay Costume Props Korean Cartoon Movie Accessories For Kids Adults (A)**SpirWoRchlan**£10.53**8 rev6mo ago](https://www.amazon.co.uk/dp/B0GJRZNGPT)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Ejoyous 3D Printed Sword Retractable Colorful Cosplay Sword with High Density PLA Material for Role Playing Costume Party Festival Accessory**Ejoyous**£15.56**0.0★**▲ 307%**](https://www.amazon.co.uk/dp/B0GR8MNZ6C) [**Next Level Cosplay Prop Replica Rumi Foam Sword**Next Level**£24.57**5.0★**▲ 257%**](https://www.amazon.co.uk/dp/B0GQCFXLW8) [**SIXRUN 3D Printed Sword Colorful Retractable Cosplay Sword Lightweight PLA Material Ideal for Costumes Anime Fans and Festivals**SIXRUN**£13.31**1.0★**▲ 233%**](https://www.amazon.co.uk/dp/B0GGR4LRC6) [**3 Pcs Hunter Cosplay Weapon Purple Plastic Daggers Cosplay Weapons Multifunctional Demon Hunters Sword Prop Replicas for Cos Costume Party Carnival Outfits Accessories Can Also Be Used as Bookmarks**FNSIGHD**£4.44**0.0★**▲ 163%**](https://www.amazon.co.uk/dp/B0GKZJN1MV) [**YUKERMARB 25 3D Printed Cosplay Long Sword Fantasy Accessory Costume Movie Collectible Anime Sword Replica**YUKERMARB**£14.89**1.0★**▲ 141%**](https://www.amazon.co.uk/dp/B0GGHY35B5)
**~~View all trending →~~**
## **What buyers say about rumi sword**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Value For Money**14%
*“the price feels very reasonable for what you get”*
**Quality-Overall**10%
*“They are well made, nicely assembled, and at just £7.99. at the time of review., theyre an absolute bargain”*
**Design-Overall**8%
*“Cool design”*
**Durability**7%
*“I would say looked after would be durable”*
**Fun/Entertainment Experience**6%
*“Fun item”*
**Weight Light**5%
*“Great Lightweight Props for Cosplay & Halloween”*
**Advertised Vs Actual Product**4%
*“Just what I expected based on other reviews”*
**Color**3%
*“The colours are great”*
**Material Quality**3%
*“high-quality PVC”*
**Ease Of Use**3%
*“Its easy to use”*
### **What buyers complain about **
**Durability**37%
*“Broke already”*
**Quality-Overall**30%
*“Terrible quality - broke in seconds”*
**Value For Money**6%
*“maybe a tad expensive for what you get”*
**Strength**4%
*“Flimsy”*
**Assembly/Installation**3%
*“it came not assembled”*
**Sharpness**2%
*“It has a very sharp point”*
**Adhesion/Stickiness**2%
*“Product kept coming apart so I had to glue it”*
**Handle Quality**2%
*“Handle wouldn't clip in to sword”*
**Size-Overall**1%
*“wouldnt fit together properly”*
**Advertised Vs Actual Product**1%
*“Definitely doesnt do what it says on the tin”*
### **Top return reasons **
**Defective Material/Parts**32%
**Durability**26%
**Quality-Overall**14%
**Strength**5%
**Handle Quality**4%
**Size-Overall**4%
**Functionality-Overall**2%
**Assembly/Installation**2%
**Advertised Vs Actual Product**2%
**Value For Money**2%
## **Common questions**
- **Is rumi sword profitable to sell on Amazon United Kingdom?**
- The niche generates £84K/yr across 19 tracked products. 0 of 17 products launched in the last 360 days are still selling. 90-day search growth is -51.3%. Flapen's verdict: Skip it (46/100).
- **How competitive is the rumi sword niche?**
- 17 brands and 19 sellers compete. The top 5 products take 63% of clicks and top 5 brands hold 70% of demand.
- **What do buyers complain about in rumi sword?**
- Top complaints mined from reviews: Durability, Quality-Overall, Value For Money. The return rate is 1.8%.
- **What does it cost to enter the rumi sword niche?**
- Listings span £4.44–£24.57; the average listing price is £13.46 (sweet spot $15–$100). The average incumbent carries 43 reviews — the moat a new listing must climb.
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