---
title: "Butterfly Knife — £62K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/home-garden/butterfly-knife"
last_updated: "2026-07-31T12:58:32.669Z"
locale: en
meta:
description: "Niche score 46/100 · £62K/yr market · 499K searches/yr · £10.48 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 46/100 · £62K/yr market · 499K searches/yr · £10.48 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Butterfly Knife — £62K/yr Amazon UK Niche (2026) - Flapen"
---
# **butterfly knife**
**Skip it**
Soft demand (-34.1% this quarter) — this niche doesn't clear our bar today.
Market size 16Growth 8Conversion 15Competition 46Returns 97Price range 51Avg price 37Brand share 64Review moat 93Quality gap 92
**Returns**
**Incredible****0.6%**
return rate — above 5% kills the launch gate
**Review moat**
**Great****143.33**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Great****4.0★**
avg incumbent rating — lower means beatable quality
**Brand share**
**Good****67%**
top-5 brand share — brands hold most of the demand
**Price range**
**Good****£3.52–£27.18**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Competition**
**Okay****57%**
top-5 click share — leaders hold, buyers still browse
**Avg price**
**Okay****£10.48**
avg listing price — sweet spot $15–$100
**Market size**
**Bad****£62K**
£62K/yr · 499K searches
**Conversion**
**Bad****1.2%**
search→purchase rate — share of searches ending in a sale
**Growth**
**Bad****-34.1%**
90-day search growth — must beat 0% to launch
**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=uk&signal=low_review_barrier "Top brand's reviews < 500")
According to Flapen's Amazon United Kingdom niche tracking, butterfly knife is a £62K/yr Amazon United Kingdom market (499K searches/yr). The top 5 brands hold 67% of demand. Demand peaks in Feb–Dec. Verdict: Skip it — 46/100.
Data updated Jul 27, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **butterfly knife market data**
- **Units sold / yr**
- **4K–5K**
- avg 100–250/product
- **Revenue / yr**
- **£42K–£52K**
- units × avg price
- **Conversion rate**
- **1.2%**
- **Avg BSR**
- **#1,106**
- **Page quality**
- **0%**
- **Prime**
- **90%**
- **Sponsored**
- **24%**
- **Out of stock**
- **13.5%**
- **Avg brand age**
- **49 months**
- **Avg seller age**
- **199 days**
## **Competition & brand share**
The top 5 products take 57% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**18 **▼falling
**Sellers**
**25**
**Top-5 brand share**
**67%**
Top 20: 100%
**Top-5 click share**
**57%**
Top 20: 99%
**Open market**
**26%**
- XCMC21% - City Million16% - Ideal Swan12% - AOSILEY9% - Eophmi8% - Baosong7%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -34.1% search growth over the last 90 days.
15K10KHoliday '24Spike '25Black Friday '25Holiday '25 seasonSepDecMarJunAugNovMarMay
Peak months: Feb, Dec · busiest ÷ quietest = 1.7×
[**Open Trend **](https://flapen.com/research/uk/home-garden/butterfly-knife/trend)
## **Top butterfly knife search terms**
- **butterfly knife**264K/yr-37.3%0.7% conv. - **balisong**73K/yr-31.6%0.4% conv. - **butterfly knife trainer**59K/yr-34.9%0.7% conv. - **balisong trainer**44K/yr-32.4%0.6% conv. - **practice butterfly knife**17K/yr-28.2%0.8% conv. - **butter fly knife**9K/yr-10.8%0.3% conv. - **balisongs**6K/yr+9.9%0.2% conv. - **training butterfly knife**10K/yr-25.9%1.1% conv. - **fake butterfly knife**6K/yr-33.4%0.6% conv. - **balisong knife**6K/yr-37.3%0.5% conv. [**All search terms **](https://flapen.com/research/uk/home-garden/butterfly-knife/search-terms)
## **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.
0%10%£6K20%£12K30%£19K40%£25K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 21 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**XCMC Balisong Butterfly Trainer Practice Butterfly Trainer Bottle Opener - NOT Real - NO Sharp - Unsharpened Blade**XCMC**£13.90**4.5★66 rev](https://www.amazon.co.uk/dp/B0DGGY24HY) [2**Ideal Swan 2 Pcs Balisong Butterfly Trainer Practice Butterfly Trainer - NOT REAL - NO SHARP - Unsharpened Blade (Black + Silver)**Ideal Swan**£7.00**4.1★1,717 rev](https://www.amazon.co.uk/dp/B083J4N6JV) [3**AOSILEY Butterfly Trainer Knife All stainless steel practice butterfly knife comb for Training(Silver)**AOSILEY**£4.15**4.4★30 rev](https://www.amazon.co.uk/dp/B0C4FB5VM5) [4**Eophmi Butterfly Knife Trainer 1 Pcs Balisong Trainer Blade Free Metal Butterfly Knife Color Folding Practice Butterfly Knifes Suitable for Beginners to Practice Flipping Skills Training**Eophmi**£5.46**4.4★32 rev](https://www.amazon.co.uk/dp/B0DK3P3JQ1) [5**2Pack Folding Comb Unique Metal Training Butterfly Comb for Beard Brushe Styling Tool**Baosong**£5.38**4.0★206 rev](https://www.amazon.co.uk/dp/B09WNGCBFC)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Pluc Butterfly Trainer Practice Tool Metal Flipping Trainer for Skill Development and Precision Handling Safe Edge Flipping Tool Durable and Portable for Home or Travel Practice**Pluc**£6.51**2 rev3mo ago](https://www.amazon.co.uk/dp/B0GVQC825D) [**KEEDAS Integrated Forging Bushing System Aluminum Integral Channel Handle Excellent Grip Pretty Solid Best Balance and Inertia (SFS-B1)**KEEDAS**£27.18**16 rev1y ago](https://www.amazon.co.uk/dp/B0DY68ZNJ4) [**KOMUNJ 1 Piece Butterfly Comb Stainless Steel Foldable Butterfly Comb Pocket Spring Hair for Hair Barber Styling Accessories**KOMUNJ**£6.17**19 rev1y ago](https://www.amazon.co.uk/dp/B0DT6GM6KG) [**Butterfly Comb Foldable Practice Butterfly Flipping Trick Stainless Steel Butterfly Hair Comb for Beginner Salon Beauty Tool for Trainer Lover**Generic**£5.83**9 rev1y ago](https://www.amazon.co.uk/dp/B0DNJB7V6C) [**Eophmi Butterfly Knife Trainer 1 Pcs Balisong Trainer Blade Free Metal Butterfly Knife Color Folding Practice Butterfly Knifes Suitable for Beginners to Practice Flipping Skills Training**Eophmi**£5.46**32 rev1y ago](https://www.amazon.co.uk/dp/B0DK3P3JQ1)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Pluc Butterfly Trainer Practice Tool Metal Flipping Trainer for Skill Development and Precision Handling Safe Edge Flipping Tool Durable and Portable for Home or Travel Practice**Pluc**£6.51**2.5★**▲ 311%**](https://www.amazon.co.uk/dp/B0GVQC825D) [**KEEDAS Integrated Forging Bushing System Aluminum Integral Channel Handle Excellent Grip Pretty Solid Best Balance and Inertia (SFS-B1)**KEEDAS**£27.18**4.3★**▲ 231%**](https://www.amazon.co.uk/dp/B0DY68ZNJ4) [**Dual Pivot Effective Bushing System CNC 6061 Aluminum Integral Channel Handle Stainless Steel Bottle Opener**uxcellmo**£22.24**4.0★**▲ 120%**](https://www.amazon.co.uk/dp/B0CM3R57QT) [**Bottle Opener Stainless Steel Beer Bottle Cap Openers Butterfly Multi-Tool Gift for Friends and Family (Purple)**City Million**£15.56**4.0★**▲ 101%**](https://www.amazon.co.uk/dp/B09QLYNKSV) [**2Pack Folding Comb Unique Metal Training Butterfly Comb for Beard Brushe Styling Tool**Baosong**£5.38**4.0★**▲ 73%**](https://www.amazon.co.uk/dp/B09WNGCBFC)
**~~View all trending →~~**
## **What buyers say about butterfly knife**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**35%
*“Very good quality for a cheap butterfly knife”*
**Fun/Entertainment Experience**23%
*“Fun gadget”*
**Grip**11%
*“Good for dexterity in the hands and once youve mastered your simple rollouts theres a galaxy of moves and tricks”*
**Durability**9%
*“Very durable”*
**Value For Money**7%
*“Good value”*
**Weight Light**3%
*“Good weight and good quality and he finds it easy to use”*
**Material Quality**2%
*“Usful good material”*
**Advertised Vs Actual Product**2%
*“Well it is as explained”*
**Weight Heavy**1%
*“has a really nice weight to it”*
**Ease Of Cleaning**1%
*“It looks really clean”*
### **What buyers complain about **
**Durability**39%
*“Broke after a few uses”*
**Quality-Overall**18%
*“Absolute rubbish”*
**Rusts/Corrodes**7%
*“Slight problem, after a couple weeks of playing it started to squeak a bit, which could be a sign of rust”*
**Value For Money**7%
*“Make it cheaper please 3 stars”*
**Material Quality**4%
*“since it was plastic it felt terrible”*
**Functionality-Overall**4%
*“Tragically bad falls apart so quick pin doesnt work needs tightening”*
**Advertised Vs Actual Product**4%
*“Not like the pictures”*
**Strength**4%
*“just flimsy plastic clips”*
**Design-Overall**4%
*“Worst design ever”*
**Sharpness**1%
*“Its not sharp at all”*
### **Top return reasons **
**Durability**24%
**Quality-Overall**19%
**Defective Material/Parts**14%
**Functionality-Overall**7%
**Mechanism Issues**5%
**Ease Of Use**5%
**Scratch Resistance**5%
**Value For Money**3%
**Weight Heavy**3%
**Product Condition**2%
## **Common questions**
- **Is butterfly knife profitable to sell on Amazon United Kingdom?**
- The niche generates £62K/yr across 21 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -34.1%. Flapen's verdict: Skip it (46/100).
- **How competitive is the butterfly knife niche?**
- 18 brands and 25 sellers compete. The top 5 products take 57% of clicks and top 5 brands hold 67% of demand.
- **What do buyers complain about in butterfly knife?**
- Top complaints mined from reviews: Durability, Quality-Overall, Rusts/Corrodes. The return rate is 0.6%.
- **When does demand for butterfly knife peak?**
- Demand peaks in Feb–Dec; the busiest month runs 1.7× the quietest.
- **What does it cost to enter the butterfly knife niche?**
- Listings span £3.52–£27.18; the average listing price is £10.48 (sweet spot $15–$100). The average incumbent carries 143 reviews — the moat a new listing must climb.
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