butterfly knife
Worth a lookShows a sweet-spot price point ($22.84 avg), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Avg price
Incredible$22.84avg listing price — sweet spot $15–$100
Returns
Great1.2%return rate — above 5% kills the launch gate
Brand share
Great45%top-5 brand share — no brand owns this niche
Price range
Great$6.33–$77.74cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Great$1.3M$1.3M/yr · 3.2M searches
Quality gap
Great4.3★avg incumbent rating — lower means beatable quality
Competition
Great38%top-5 click share — an open shelf
Review moat
Good808.31avg incumbent reviews — the moat a new listing must climb
Conversion
Bad1.8%search→purchase rate — share of searches ending in a sale
Growth
Bad-22.0%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, butterfly knife is a $1.3M/yr Amazon United States market (3.2M searches/yr). The top 5 brands hold 45% of demand. Demand peaks in Dec. Verdict: Worth a look — 67/100.
Data updated Jul 25, 2026 · scored weekly · How we score niches
butterfly knife market data
- Units sold / yr
- 50K–60K
- avg 1,250–1,500/product
- Revenue / yr
- $1.1M–$1.4M
- units × avg price
- Conversion rate
- 1.8%
- Avg BSR
- #323
- Page quality
- 0%
- Prime
- 92%
- Sponsored
- 69%
- Out of stock
- 2.2%
- Avg brand age
- 49 months
- Avg seller age
- 169 days
Competition & brand share
Clicks spread well past the top 5 (38% combined) — an open shelf where new products get seen.Brands
22 flat
Sellers
44
Top-5 brand share
45%
Top 20: 98%
Top-5 click share
38%
Top 20: 81%
Open market
49%
- VORNNEX13%
- GOOD WORKER11%
- KEEDAS8%
- Grand Way7%
- Little World7%
- Butterfly7%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -22.0% search growth over the last 90 days.Peak months: Dec · busiest ÷ quietest = 1.7×
Top butterfly knife search terms
- butterfly knife1.4M/yr
- balisong356K/yr
- butterfly knife trainer387K/yr
- balisong trainer231K/yr
- practice butterfly knife125K/yr
- butterfly knife real81K/yr
- balisong knife83K/yr
- trainer butterfly knife53K/yr
- butterfly knives47K/yr
- toy butterfly knife47K/yr
Top butterfly knife 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 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
VORNNEX Practice Butterfly knife Trainer with Sure Spring Latch Full Stainless Steel Black Dull Balisong Unsharpened Butterfly knives Comb for CSGO Training(Silver)
VORNNEX$10.274.5★10,714 rev
Butterfly Knife - Balisong Trainer - Black Practice Butterfly Trainer with Sure Spring Latch - Balisong Knives NOT Real NOT Sharp Blade - Full Stainless Steel Fake Dull Trick CSGO Fidget Toy K19 B
GOOD WORKER$14.374.4★623 rev
Grand Way Black Practice Trainer - Black Practice Trainer Tool with Sure Spring Latch - Fake Trainers NOT Real NOT Sharp Blade - Full Stainless Steel Fake Dull Trick CSGO Fidget Toy K10 B
Grand Way$12.754.4★2,311 rev
DIMROM Practice Butterfly Knife Trainer with Dull Blade (Rainbow Gradient)
DIMROM$11.084.4★745 rev
Dispatch Practice Butterfly Knife Trainer Unsharpened Balisong with Stainless Steel Dull Blade Durable ABS Handle & Lock Latch | EDC Flipping Martial Arts Cosplay Survival Training Tool Black
Dispatch$14.594.3★123 rev
Newest
by launch date
Delta Force Cobra Vanguard Butterfly Knife Model - Eco-Friendly Zinc Alloy Game-Inspired Replica Foldable Safe Prop with Blunt Edge Gaming Collectible for Tactical Shooter Fans
Pexylun$25.613 rev
Nabalis Impulse Butterfly Knife Balisong Trainer for Practicing Flipping Blunt Practice No Edge ToolLightweightPublic-Friendly Metal Trainer
Nabalis$46.12201 rev
CIXIZUIJIA Steel Foldable Tool Crafted from 420 Steel & T6061 Aluminum - Durable and Easy to Use - Ideal Gift for Beginners to Practice (Grey)
CIXIZUIJIA$26.9850 rev
Dispatch Practice Butterfly Knife Trainer Unsharpened Balisong with Stainless Steel Dull Blade Durable ABS Handle & Lock Latch | EDC Flipping Martial Arts Cosplay Survival Training Tool Black
Dispatch$14.59123 rev
KEEDAS Integrated Forging Bushing System T6061 Aluminum Integral Channel Handle Excellent Grip Pretty Solid Best Balance and Inertia (Black-1)
KEEDAS$29.4774 rev
Trending
90-day click momentum
Butterfly Rozena 1.9 Black
Butterfly$39.044.7★
Butterfly Tenergy 05 2.1 Black
Butterfly$77.744.7★
Delta Force Cobra Vanguard Butterfly Knife Model - Eco-Friendly Zinc Alloy Game-Inspired Replica Foldable Safe Prop with Blunt Edge Gaming Collectible for Tactical Shooter Fans
Pexylun$25.614.4★
TAC Force Assisted Opening Black Handle Rescue Folder Half Stainless Steel Rainbow Blade Knife
TAC Force$12.853.8★
Little World Butterfly Knife - 1 Pack Butterfly Knife Trainer Practice Tool Steel Metal - Comb for Practicing Flipping Tricks Folding Unsharpened - Balisong Trainer Black
Little World$9.394.2★
What buyers say about butterfly knife
What buyers praise and complain about, mined from review topics.What buyers love
“Amazing quality”
“Good value for money”
“Fun fidget”
“I recommend it for any beginners”
“TLDR: It's lightweight, flips smoothly”
“Easy to use”
“Top notch quality and durable”
“Nice color”
“Buttery smooth motion and easy grip”
“I love the design”
What buyers complain about
“Breaks easily”
“Quality is lower than the cheap price suggests”
“maybe slightly heavier than I would have expected”
“this knife is not sharp”
“its kind of tight”
“I thought this would be light and flimsy,”
“handle is poorly made”
“$20 for this toy is crazy”
“Hard to operate”
“have lost my grip on it multiple times from how much weight shifts it”
Top return reasons
Common questions
- Is butterfly knife profitable to sell on Amazon United States?
- The niche generates $1.3M/yr across 39 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -22.0%. Flapen's verdict: Worth a look (67/100).
- How competitive is the butterfly knife niche?
- 22 brands and 44 sellers compete. The top 5 products take 38% of clicks and top 5 brands hold 45% of demand.
- What do buyers complain about in butterfly knife?
- Top complaints mined from reviews: Durability, Quality-Overall, Weight Heavy. The return rate is 1.2%.
- When does demand for butterfly knife peak?
- Demand peaks in Dec; the busiest month runs 1.7× the quietest.
- What does it cost to enter the butterfly knife niche?
- Listings span $6.33–$77.74; the average listing price is $22.84 (sweet spot $15–$100). The average incumbent carries 808 reviews — the moat a new listing must climb.