rumi sword
Worth a lookShows beatable incumbent ratings (3.6★), but soft demand (-30.4% this quarter) keeps it on the watch list.
Quality gap
Incredible3.6★avg incumbent rating — lower means beatable quality
Review moat
Incredible45.24avg incumbent reviews — the moat a new listing must climb
Avg price
Incredible$27.85avg listing price — sweet spot $15–$100
Price range
Great$11.67–$43.79cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Good$583K$583K/yr · 872K searches
Brand share
Good74%top-5 brand share — brands hold most of the demand
Competition
Okay60%top-5 click share — leaders hold, buyers still browse
Returns
Okay3.7%return rate — above 5% kills the launch gate
Conversion
Okay2.4%search→purchase rate — share of searches ending in a sale
Growth
Bad-30.4%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, rumi sword is a $583K/yr Amazon United States market (872K searches/yr). The top 5 brands hold 74% of demand. Verdict: Worth a look — 53/100.
Data updated Jul 10, 2026 · scored weekly · How we score niches
rumi sword market data
- Units sold / yr
- 15K–20K
- avg 500–750/product
- Revenue / yr
- $418K–$557K
- units × avg price
- Conversion rate
- 2.4%
- Avg BSR
- #432
- Page quality
- 0%
- Prime
- 90%
- Sponsored
- 76%
- Out of stock
- 18.6%
- Avg brand age
- 25 months
- Avg seller age
- 166 days
Competition & brand share
The top 5 products take 60% of clicks — established leaders, but buyers still shop beyond them.Brands
14 rising
Sellers
19
Top-5 brand share
74%
Top 20: 100%
Top-5 click share
60%
Top 20: 99%
Open market
20%
- Honcloud20%
- VABAO18%
- Rose's Secret15%
- PowerGale14%
- Generic6%
- CoserWorld6%
Demand
Weekly Amazon search volume, last 44 weeks — -30.4% search growth over the last 90 days.Top rumi sword search terms
- rumi sword382K/yr
- rumi sword kpop demon hunters167K/yr
- kpop demon hunters sword77K/yr
- kpop sword22K/yr
- k pop demon hunters sword27K/yr
- kpop demon hunter sword25K/yr
- huntrix sword13K/yr
- demon hunter sword16K/yr
- kpop demon hunters rumi sword21K/yr
- k pop sword9K/yr
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.
All 21 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Purple Sword Cosplay Costume Prop Dagger Sword Anime Props Purple Sword for Halloween & Collectible Bracelet
VABAO$24.202.0★155 rev
Costume Weapons Sword for Hunter Cosplay: Anime Merch - Outfit Accessories Prop 32 Long Gold
Rose's Secret$35.984.0★27 rev
32 Inches One-piece Flexible Sturdy Sword Prop Accessories for Costume Cosplay and Halloween(Blue-Pink Gradient)
Honcloud$38.044.6★20 rev
PowerGale 41 Anime Cosplay Sword with Sheath Non-3D Printed & Back-Carry Collectible Prop for Costume&Display
PowerGale$38.414.6★58 rev
Honcloud 32 Inches One-Piece Flexible & Sturdy Sword Prop Costume Accessory for Cosplay & Halloween
Honcloud$37.424.6★20 rev
Newest
by launch date
Cosplay Anime Weapons Sword Halloween Costume Accessory Gift for Anime Lovers (Blue)
Generic$15.285 rev
Cosplay Anime Weapons Sword Halloween Costume Accessory Gift for Anime Lovers (Purple)
Generic$15.175 rev
Fasmium 31.5 Sword Weapons for Hunters Costume - Anime Outfit Accessories Movie Cosplay Prop K-pop Gifts for Adult & Kids
Fasmium$35.29134 rev
35 Retractable Gravity Sword Prop with Telescopic Blade & Throwing Dagger 3D Printed Folding Katana Toy for Cosplay Halloween Costume Accessories Fantasy Weapon Collectible for Adults Blue
Generic$16.351 rev
otaku gear 26 Foam Mini Demon Killer Sword Lightweight Prop for Cosplay Display & Collection
otaku gear$28.6434 rev
Trending
90-day click momentum35 Retractable Gravity Sword Prop with Telescopic Blade & Throwing Dagger 3D Printed Folding Katana Toy for Cosplay Halloween Costume Accessories Fantasy Weapon Collectible for Adults Blue
Generic$16.351.0★
Fasmium 31.5 Sword Weapons for Hunters Costume - Anime Outfit Accessories Movie Cosplay Prop K-pop Gifts for Adult & Kids
Fasmium$35.294.3★
Cosplay Anime Weapons Sword Halloween Costume Accessory Gift for Anime Lovers (Blue)
Generic$15.281.0★
Cosplay Anime Weapons Sword Halloween Costume Accessory Gift for Anime Lovers (Purple)
Generic$15.171.0★
otaku gear 26 Foam Mini Demon Killer Sword Lightweight Prop for Cosplay Display & Collection
otaku gear$28.644.5★
What buyers say about rumi sword
What buyers praise and complain about, mined from review topics.What buyers love
“Fantastic Quality”
“The foam is quite durable”
“It feels very well balanced and light”
“Fun and colorful”
“Well worth it”
“Best gift ever”
“it is a fantastically designed piece”
“Colors are nice”
“it certainly fits the style”
“the handle feels super sturdy in the hand”
What buyers complain about
“Broke first use”
“While not premium quality”
“Not worth the money”
“is fragile”
“its a crappy 3-d print”
“The material is thicker”
“the white is a bit too bright”
“also a little smaller”
“Horribly constructed”
“it's mostly hard”
Top return reasons
Common questions
- Is rumi sword profitable to sell on Amazon United States?
- The niche generates $583K/yr across 21 tracked products. 5 of 20 products launched in the last 360 days are still selling. 90-day search growth is -30.4%. Flapen's verdict: Worth a look (53/100).
- How competitive is the rumi sword niche?
- 14 brands and 19 sellers compete. The top 5 products take 60% of clicks and top 5 brands hold 74% 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 3.7%.
- What does it cost to enter the rumi sword niche?
- Listings span $11.67–$43.79; the average listing price is $27.85 (sweet spot $15–$100). The average incumbent carries 45 reviews — the moat a new listing must climb.