Kunai
MaybeProducts sell for $23.43 on average, inside the sweet spot. But buyers convert on only 0.8% of searches, so Kunai is a Maybe.
- Flapen Score
- 53 / 100Top 19% of 16,930 Clothing, Shoes & Jewelry niches · +8 vs the category median of 4553
- Market size
- $58K/yr292K searches / yr
- 90-day growth
- -6.5%search demand this quarter
- Competition
- 42%top-5 click share · 24 brands · 48 sellers
Flapen Score
Kunai against its category
The dotted line is the Clothing, Shoes & Jewelry average. Past it, Kunai is stronger. Inside it, weaker.
Market
The Kunai market on Amazon at a glance
Shoppers on Amazon United States searched for Kunai 292K times last year and spent an estimated $58K. The top 5 brands take 60% of clicks. Demand peaks in Oct–Dec. Flapen scores it 53 out of 100, a Maybe.
01 · Demand
An estimated 0.8% of those searches ended in a purchase.
Shoppers searched for this 292K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 0.8% of those searches ended in a purchase. Searches in the last 90 days moved -6.5% against the 90 days before. Searches, conversion and average price together put the market at an estimated $58K a year.
- Searches, last 12 months
- 292K
- Growth, 90 days vs prior 90
- -6.5%
- Conversion, latest week
- 0.8%
- Market size, estimated
- $58Ka year
- Peak month
- December1.7× the quietest month
- Top search term
- kunai134K searches a year
02 · Price
A sale here is worth $23.43.
Listings sell for $23.43 on average, from $7.90 to $78.00. Amazon reports units sold in ranges. This niche sold 3K to 4K a year. The average listing sells 0 to 100 of them. At $23.43 that is $0 to $2K a year per listing.
- Average price
- $23.43inside the $15 to $100 sweet spot
- Price range
- $7.90–$78.00
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 3K–4K
- Units per listing a year
- 0–100
- Revenue per listing a year
- $0–$2K
- Returns
- 1.2%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is low.
46% of listings pay for placement with sponsored ads. 90% ship with Prime. On an average day, 1.6% of listings are out of stock. The average listing ranks #3,656 within Props. It carries 362 reviews at 4.40 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 46%
- Prime listings
- 90%
- Out of stock, average day
- 1.6%
- Average rank
- #3,656in Props
- Average rating
- 4.40 starsAmazon United States average 4.42 stars
- Average reviews
- 362per listing
- Listings tracked
- 39
04 · Newcomers
1 of last year's 14 launches cleared the first-year sales bar.
14 products launched here in the last 12 months. 1 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 50 months on average, so the names here are settling in.
- Launched, last 12 months
- 14
- Successful launches
- 1Amazon's first-year sales bar
- Average brand age
- 50 months
Products
Top Kunai 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 10, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
REAT Throwing Knives - 3 Piece 6.5 440 Stainless Steel with Cord-Wrapped Handle Includes Nylon Carrying Case for Safe Storage Ninja Kunai Knives for Competition Recreation Gifts for Men Women
- Price
- $8.11
- Rating
- 4.2/5
- Reviews
- 187
- Age
- 11mo ago

CKHOF 9.05 inches Minato Kunai Real Uzumaki Kakashi Namikaze Kunai Weapons Minato Costume Ninja Kunai Models (Metallic)
- Price
- $18.73
- Rating
- 4.9/5
- Reviews
- 49
- Age
- 2y ago

OOHGLITZ 7-Piece Anime Cosplay Kit ABS Plastic Ninja Kunai (5.1) Throwing Stars/Shuriken(3.5) Toy Set with Pouch and Bandage for Anime Fans Martial Arts Props Black
- Price
- $16.22
- Rating
- 4.4/5
- Reviews
- 29
- Age
- 10mo ago

FAYAIALO Minato Kunai 8.7 inches Uzumaki Kakashi Namikaze Kunai Real Metal Ninja Cosplay Figure Model Keychain Collection
- Price
- $20.71
- Rating
- 4.3/5
- Reviews
- 46
- Age
- 3y ago

OOHGLITZ 11-Piece Anime Ninja Cosplay Kit Plastic Ninja Kunai (10.2+5.1) Shuriken Ninja Stars (3.5) Set with Pouch for Anime Fans Ninja& Martial Arts Props Black
- Price
- $25.26
- Rating
- 4.4/5
- Reviews
- 44
- Age
- 1y ago
Trending
estimated 90-day click momentum
REAT Throwing Knives - 3 Piece 9 440 Stainless Steel with Cord-Wrapped Handle Includes Nylon Carrying Case for Safe Storage Ninja Kunai Knives for Competition Recreation Gifts for Men Women
- Price
- $9.97
- Rating
- 4.0/5
- Reviews
- 20
- Age
- 6mo ago

Metallic Katana Ninja Black Sword and Sheath Prop | Ninja Accessories Standard
- Price
- $16.38
- Rating
- 4.0/5
- Reviews
- 56
- Age
- 2y ago

ABYSTYLE Naruto Shippuden Fourth Hokage Kunai 3D Metal Keychain Anime Manga Accessories Merch Gift
- Price
- $12.66
- Rating
- 3.9/5
- Reviews
- 55
- Age
- 7y ago

LENGREN KUNAI Tactical Fixed Blade Knife 5.4 Full Tang Double Edge Blade Battle Dagger Short Sword for Outdoor Survival Hunting EDC & Camping (Brown linen Tiger Stripe Blade)
- Price
- $78.00
- Rating
- 4.5/5
- Reviews
- 7
- Age
- 6mo ago

Kunai Ninja Cosplay Props Ninja Themed Costume Plastic Cosplay Accessories Kunai Set Black
- Price
- $20.12
- Rating
- 5.0/5
- Reviews
- 6
- Age
- 6mo ago
Newest
by launch date
LENGREN KUNAI Tactical Fixed Blade Knife 5.4 Full Tang Double Edge Blade Battle Dagger Short Sword for Outdoor Survival Hunting EDC & Camping (Brown linen Tiger Stripe Blade)
- Price
- $78.00
- Rating
- 4.5/5
- Reviews
- 7
- Age
- 6mo ago

REAT Throwing Knives - 3 Piece 9 440 Stainless Steel with Cord-Wrapped Handle Includes Nylon Carrying Case for Safe Storage Ninja Kunai Knives for Competition Recreation Gifts for Men Women
- Price
- $9.97
- Rating
- 4.0/5
- Reviews
- 20
- Age
- 6mo ago

Kunai Ninja Cosplay Props Ninja Themed Costume Plastic Cosplay Accessories Kunai Set Black
- Price
- $20.12
- Rating
- 5.0/5
- Reviews
- 6
- Age
- 6mo ago

OOHGLITZ 7-Piece Anime Cosplay Kit ABS Plastic Ninja Kunai (5.1) Throwing Stars/Shuriken(3.5) Toy Set with Pouch and Bandage for Anime Fans Martial Arts Props Black
- Price
- $16.22
- Rating
- 4.4/5
- Reviews
- 29
- Age
- 10mo ago

REAT Throwing Knives - 3 Piece 6.5 440 Stainless Steel with Cord-Wrapped Handle Includes Nylon Carrying Case for Safe Storage Ninja Kunai Knives for Competition Recreation Gifts for Men Women
- Price
- $8.11
- Rating
- 4.2/5
- Reviews
- 187
- Age
- 11mo ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 42% of clicks. Leaders hold, but buyers still shop past them.
Brands
24 flat
Sellers
48
Est. top-5 brand share
60%
Top 20: 98%
Est. top-5 click share
42%
Top 20: 83%
Open market
35%
- REAT22%
- OOHGLITZ14%
- CKHOF11%
- FAYAIALO8%
- ABYSTYLE5%
- Dispatch5%
Demand
Kunai search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Oct, Dec · busiest ÷ quietest = 1.7×
Search terms
Top Kunai search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- kunai134K/yr
- kunai knife41K/yr
- naruto kunai32K/yr
- naruto weapons19K/yr
- kunai throwing knives15K/yr
- kuni13K/yr
- naruto knife6K/yr
- kunai toy7K/yr
- kunai knives4K/yr
- naruto shuriken5K/yr
Reviews and returns
What reviews say buyers love and hate about Kunai
We read the reviews and the return reasons for every product selling here.
“It is huge”
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.
15 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 Kunai 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









