kunai
Worth a lookShows a sweet-spot price point ($23.43 avg), but weak search conversion (0.8%) keeps it on the watch list.
Avg price
Incredible$23.43avg listing price — sweet spot $15–$100
Returns
Great1.2%return rate — above 6% kills the launch gate
Price range
Great$7.90–$78.00cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Great362.44avg incumbent reviews — the moat a new listing must climb
Brand share
Good60%top-5 brand share — brands hold most of the demand
Competition
Good42%top-5 click share — leaders hold, buyers still browse
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Growth
Bad-6.5%90-day search growth — must beat 0% to launch
Market size
Bad$58K$58K/yr · 292K searches
Conversion
Bad0.8%search→purchase rate — share of searches ending in a sale
Competition
The top 5 products take 42% of clicks — established leaders, but buyers still shop beyond them.Brands
24 flat
Sellers
48
Top-5 brand share
60%
Open market
35%
- REAT22%
- OOHGLITZ14%
- CKHOF11%
- FAYAIALO8%
- ABYSTYLE5%
- Dispatch5%
Product shelf
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 39 tracked products in this niche — three views at once, no toggling.
Top sellers
by 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
REAT$8.114.2★187 rev
CKHOF 9.05 inches Minato Kunai Real Uzumaki Kakashi Namikaze Kunai Weapons Minato Costume Ninja Kunai Models (Metallic)
CKHOF$18.734.9★49 rev
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
OOHGLITZ$16.224.4★29 rev
FAYAIALO Minato Kunai 8.7 inches Uzumaki Kakashi Namikaze Kunai Real Metal Ninja Cosplay Figure Model Keychain Collection
FAYAIALO$20.714.3★46 rev
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
OOHGLITZ$25.264.4★44 rev
Newest
by launch date
13-Piece Kunai Anime Ninja Cosplay Kit Plastic Kunai and Shuriken Set with Pouch Black Kunai for Anime Ninja Cosplay Accessories for Anime Fans
GLECTG$22.206 rev
OOHGLITZ 14-Piece Ninja Cosplay Kit Plastic Kunai (10.2 X 2+5.1 X 6) Shuriken/Ninja Star (3.5 X 6) Set for Anime Fans | Ninja Props and Costume for Adults
OOHGLITZ$24.947 rev
REAT Throwing Knives with Sheath 15 Heavy Duty Ninja Kunai Knives 440 Stainless Steel Cord-Wrapped Handle Includes Nylon Sheath for Safe Storage Throwing Knife for Competition Recreation Gifts for Men Women
REAT$18.264 rev
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)
LENGREN$78.007 rev
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
REAT$9.9720 rev
Trending
90-day click momentum
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
REAT$10.274.2★
13-Piece Kunai Anime Ninja Cosplay Kit Plastic Kunai and Shuriken Set with Pouch Black Kunai for Anime Ninja Cosplay Accessories for Anime Fans
GLECTG$22.204.7★
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
REAT$9.974.0★
REAT Throwing Knives with Sheath 15 Heavy Duty Ninja Kunai Knives 440 Stainless Steel Cord-Wrapped Handle Includes Nylon Sheath for Safe Storage Throwing Knife for Competition Recreation Gifts for Men Women
REAT$18.263.5★
OOHGLITZ 14-Piece Ninja Cosplay Kit Plastic Kunai (10.2 X 2+5.1 X 6) Shuriken/Ninja Star (3.5 X 6) Set for Anime Fans | Ninja Props and Costume for Adults
OOHGLITZ$24.945.0★
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -6.5% search growth over the last 90 days.Peak months: Oct, Dec · busiest ÷ quietest = 1.7×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Happy it came sharpened”
“Solid quality”
“definitely worth the money”
“I appreciate that the pieces are lightweight”
“Great balance”
“Good size”
“Better than expected”
“The grip is comfortable”
“Very durable,”
“It sparked a lot of imaginative play”
What buyers complain about
“It is huge”
“These are very low quality”
“somehow isn't sharp at all”
“At first I thought the knives might be too light-”
“Comes off”
“That said, these are very sharp, so definitely not something you want to casually handle or leave around”
“For $30.00 i didn't expect much”
“The product description is deceptive”
“the strings came off right away though”
“Cord from the handles has fallen off almost immediately. first use”