Cool Weapons
FailBuyers convert on only 0.3% of searches, so Cool Weapons is a Fail.
- Flapen Score
- 35 / 100Ranks 7,010 of 8,101 Sports & Outdoors niches · −12 vs the category median of 4735
- Market size
- $44K/yr504K searches / yr
- 90-day growth
- -4.8%search demand this quarter
- Competition
- 70%top-5 click share · 9 brands · 16 sellers
Flapen Score
Cool Weapons against its category
The dotted line is the Sports & Outdoors average. Past it, Cool Weapons is stronger. Inside it, weaker.
Market
The Cool Weapons market on Amazon at a glance
Shoppers on Amazon United States searched for Cool Weapons 504K times last year and spent an estimated $44K. The top 5 brands take 94% of clicks. Flapen scores it 35 out of 100, a Fail.
01 · Demand
An estimated 0.3% of those searches ended in a purchase.
Shoppers searched for this 504K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 0.3% of those searches ended in a purchase. Searches in the last 90 days moved -4.8% against the 90 days before. Searches, conversion and average price together put the market at an estimated $44K a year.
- Searches, last 12 months
- 504K
- Growth, 90 days vs prior 90
- -4.8%
- Conversion, latest week
- 0.3%
- Market size, estimated
- $44Ka year
- Peak month
- January1.3× the quietest month
- Top search term
- sai458K searches a year
02 · Price
A sale here is worth $33.36.
Listings sell for $33.36 on average, from $9.72 to $89.23. Amazon reports units sold in ranges. This niche sold 1K to 2K a year. The average listing sells 0 to 100 of them. At $33.36 that is $0 to $3K a year per listing.
- Average price
- $33.36inside the $15 to $100 sweet spot
- Price range
- $9.72–$89.23
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 1K–2K
- Units per listing a year
- 0–100
- Revenue per listing a year
- $0–$3K
- Returns
- 2.1%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is low.
29% of listings pay for placement with sponsored ads. 65% ship with Prime. On an average day, 4.9% of listings are out of stock. The average listing ranks #306 within Other Sports. It carries 654 reviews at 4.46 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 29%
- Prime listings
- 65%
- Out of stock, average day
- 4.9%
- Average rank
- #306in Other Sports
- Average rating
- 4.46 starsAmazon United States average 4.42 stars
- Average reviews
- 654per listing
- Listings tracked
- 17
04 · Newcomers
0 of last year's 1 launches cleared the first-year sales bar.
1 products launched here in the last 12 months. 0 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 61 months on average, so the names here are established.
- Launched, last 12 months
- 1
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 61 months
Products
Top Cool Weapons products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 25, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
MASTER USA Martial Arts Training Sais 15 Inch Length Stainless Steel Blades Wrapped Handle Silver Practice Cosplay Pack of 2
- Price
- $22.02
- Rating
- 4.6/5
- Reviews
- 2,965
- Age
- 14y ago

Superdo Sai Case Length 15.5 Width 5.5 (S)
- Price
- $15.59
- Rating
- 4.5/5
- Reviews
- 186
- Age
- 8y ago

Superdo Octagon Metal Martial Arts Sai Multi SizeBlack and Silver (Silver 15)
- Price
- $20.82
- Rating
- 4.7/5
- Reviews
- 535
- Age
- 8y ago

Superdo Cylinder Metal Martial Arts Sai & Case (Silver 21)
- Price
- $43.02
- Rating
- 4.8/5
- Reviews
- 99
- Age
- 5y ago

Superdo Cylinder Metal Martial Arts Sai & Case (Silver 19)
- Price
- $41.53
- Rating
- 4.8/5
- Reviews
- 99
- Age
- 5y ago
Trending
estimated 90-day click momentum
Mileena Cosplay Costume Accessories Mileena Ninjas Sai 3D Printed Weapon Props Adults Women Halloween Outfits
- Price
- $19.79
- Rating
- 0.0/5
- Reviews
- 0
- Age
- 1y ago

Midnight Duelist 19 Black Sai Set
- Price
- $74.28
- Rating
- 0.0/5
- Reviews
- 0
- Age
- 8mo ago

Saie Mini Glowy Super Gel - Hydrating Makeup Primer and Illuminating Glow Serum Enriched with Vitamin C and Squalane Oil - All-Over Liquid Highlighter Makeup for Instant Glass Skin - Starglow (0.5 oz)
- Price
- $17.06
- Rating
- 4.5/5
- Reviews
- 3,381
- Age
- 4y ago

Superdo Cylinder Metal Martial Arts Sai & Case (Silver 19)
- Price
- $41.53
- Rating
- 4.8/5
- Reviews
- 99
- Age
- 5y ago

Superdo Cylinder Metal Martial Arts Sai & Case (Silver 21)
- Price
- $43.02
- Rating
- 4.8/5
- Reviews
- 99
- Age
- 5y ago
Newest
by launch date
Midnight Duelist 19 Black Sai Set
- Price
- $74.28
- Rating
- 0.0/5
- Reviews
- 0
- Age
- 8mo ago

Mileena Cosplay Costume Accessories Mileena Ninjas Sai 3D Printed Weapon Props Adults Women Halloween Outfits
- Price
- $19.79
- Rating
- 0.0/5
- Reviews
- 0
- Age
- 1y ago

TRUESAGAUSA - Blackout Polypropylene Solid Flexible Plastic Sai for Martial Arts Kung Fu Training and Practice (Black Small 16)
- Price
- $22.03
- Rating
- 3.9/5
- Reviews
- 3
- Age
- 1y ago

Saie Mini Glowy Super Gel - Hydrating Makeup Primer and Illuminating Glow Serum Enriched with Vitamin C and Squalane Oil - All-Over Liquid Highlighter Makeup for Instant Glass Skin - Starglow (0.5 oz)
- Price
- $17.06
- Rating
- 4.5/5
- Reviews
- 3,381
- Age
- 4y ago

21 Sai Set of Two Black Coated Stainless Steel W/Plastic Wrapped Handle Martial Arts & Collections
- Price
- $32.31
- Rating
- 3.6/5
- Reviews
- 5
- Age
- 4y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 70% of clicks. A locked shelf that new listings rarely crack.
Brands
9 rising
Sellers
16
Est. top-5 brand share
94%
Top 20: 100%
Est. top-5 click share
70%
Top 20: 100%
Open market
4%
- Superdo54%
- MASTER USA30%
- SIDNOR4%
- Saie3%
- TRUESAGAUSA2%
- Falcon2%
- Open — no brand owns it (3 brands, 4%)
Demand
Cool Weapons search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.3×
Search terms
Top Cool Weapons search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- sai458K/yr
- sais16K/yr
- sai weapon14K/yr
- martial arts sais12K/yr
- sais weapon5K/yr
Reviews and returns
What reviews say buyers love and hate about Cool Weapons
We read the reviews and the return reasons for every product selling here.
“Smells Awful”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
20 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Cool Weapons questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









