---
title: "Fake Knife — £54K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/home-garden/fake-knife"
last_updated: "2026-07-31T23:59:38.284Z"
locale: en
meta:
description: "Niche score 49/100 · £54K/yr market · 238K searches/yr · £6.23 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 49/100 · £54K/yr market · 238K searches/yr · £6.23 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Fake Knife — £54K/yr Amazon UK Niche (2026) - Flapen"
---
# **fake knife**
**Skip it**
Prices mostly outside the sweet spot ($3.23–$15.60) — this niche doesn't clear our bar today.
Market size 13Growth 11Conversion 45Competition 65Returns 90Price range 5Avg price 17Brand share 82Review moat 96Quality gap 82
**Review moat**
**Incredible****89.97**
avg incumbent reviews — the moat a new listing must climb
**Returns**
**Great****1.2%**
return rate — above 5% kills the launch gate
**Brand share**
**Great****53%**
top-5 brand share — no brand owns this niche
**Quality gap**
**Great****4.2★**
avg incumbent rating — lower means beatable quality
**Competition**
**Good****46%**
top-5 click share — leaders hold, buyers still browse
**Conversion**
**Okay****3.6%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Bad****£6.23**
avg listing price — sweet spot $15–$100
**Market size**
**Bad****£54K**
£54K/yr · 238K searches
**Growth**
**Bad****-27.1%**
90-day search growth — must beat 0% to launch
**Price range**
**Bad****£3.23–£15.60**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=uk&signal=no_dominant_brand "Top brand's click share < 20%") [** 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, fake knife is a £54K/yr Amazon United Kingdom market (238K searches/yr). The top 5 brands hold 53% of demand. Demand peaks in Oct–Nov. Verdict: Skip it — 49/100.
Data updated Jul 28, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **fake knife market data**
- **Units sold / yr**
- **15K–20K**
- avg 250–500/product
- **Revenue / yr**
- **£93K–£125K**
- units × avg price
- **Conversion rate**
- **3.6%**
- **Avg BSR**
- **#294**
- **Page quality**
- **0%**
- **Prime**
- **94%**
- **Sponsored**
- **48%**
- **Out of stock**
- **21.7%**
- **Avg brand age**
- **40 months**
- **Avg seller age**
- **196 days**
## **Competition & brand share**
The top 5 products take 46% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**25 **▲rising
**Sellers**
**36**
**Top-5 brand share**
**53%**
Top 20: 94%
**Top-5 click share**
**46%**
Top 20: 86%
**Open market**
**41%**
- Wicked Costumes17% - VEYLIN12% - Luckious11% - Boolavard7% - BEHAHAI6% - JLEivvi6%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -27.1% search growth over the last 90 days.
45K35KSpike '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Oct, Nov · busiest ÷ quietest = 17.0×
[**Open Trend **](https://flapen.com/research/uk/home-garden/fake-knife/trend)
## **Top fake knife search terms**
- **fake knife**111K/yr-32.9%2.5% conv. - **toy knife**21K/yr-11.3%1.4% conv. - **prop knife**19K/yr-29.4%2.9% conv. - **retractable knife prop**6K/yr-16.3%4.8% conv. - **prank knife**3K/yr-19.0%4.0% conv. - **fake knives**5K/yr-34.1%1.6% conv. - **knife prop**4K/yr-25.0%3.4% conv. - **halloween knife**21K/yr-28.3%3.7% conv. - **michael myers knife**5K/yr-32.0%2.3% conv. - **fake knofe**2K/yr-35.6%3.9% conv. [**All search terms **](https://flapen.com/research/uk/home-garden/fake-knife/search-terms)
## **Top fake 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%5%£3K10%£5K15%£8K20%£11K1101001K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)3 products missing review or click data not plotted
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Wicked Costumes Fake Butcher Knife Fancy Dress Accessory**Wicked Costumes**£5.95**4.0★12 rev](https://www.amazon.co.uk/dp/B0BD5Y4DQN) [2**Luckious 3 Pieces Retractable Plastic Blade Toys Disappearing Dagger Knife Prank Props Fake Knife Prank Magic Props Suitable for Children Adult April Fools Day Party Gifts**Luckious**£3.84**3.8★18 rev](https://www.amazon.co.uk/dp/B0D2WX31ZW) [3**Boolavard Halloween Faked Knife DIY Scary Decor Costume Party Horror Cosplay Props Gifts (Knife 1)**Boolavard**£3.23**4.2★164 rev](https://www.amazon.co.uk/dp/B0CTNVDFDZ) [4**BEHAHAI Plastic Retractable Dagger 2pcs Disappearing Dagger Toy Fake Prop Trick Prank Gift Fake Plastic Blade Magic Tricks Props for Adults Halloween Fool Day Party**BEHAHAI**£4.23**4.1★310 rev](https://www.amazon.co.uk/dp/B0B3XDC28H) [5**JLEivvi 1 PCS Fake Knife Blunt Dagger Prop Foam Training Dagger Knife for Martial Art Training Costume Party Props(12)**JLEivvi**£7.83**4.7★11 rev](https://www.amazon.co.uk/dp/B0DFWFV6J6)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Kioylmo 2 PCS Retractable Fake Knife Disappearing Dagger Knife**Kioylmo**£4.19**0 rev1mo ago](https://www.amazon.co.uk/dp/B0H3SZJS9V) [**2 Pcs Fake Knife Retractable Prop Knives Black Plastic Knife Safety Toys**ERCHUTH**£3.87**0 rev2mo ago](https://www.amazon.co.uk/dp/B0H114VRL2) [**Fukaisu 2pcs Training Fake Knife Toys Prank Realistic Dagger Prop Safe Flexible Training Plastic Prop for Martial Art Cosplay Costume Stage Performance & Play Fighting**Fukaisu**£6.53**1 rev4mo ago](https://www.amazon.co.uk/dp/B0GQXK3PQ5) [**Dinghaole 2 Pcs Fake Knife Retractable Knife Prop Halloween Plastic Retractable Dagger Prop Trick Knife Magic Tricks Props Toys**dinghaole**£5.21**0 rev9mo ago](https://www.amazon.co.uk/dp/B0FYNJMYR8) [**XMHBG 1 PCS Foam Swords Martial Arts Weapons Fake Knife Blunt Dagger Prop Realistic Dagger Toy Knife for Martial Art Training Costume Party Props(12)**XMHBG**£7.92**3 rev9mo ago](https://www.amazon.co.uk/dp/B0FCS2QQPV)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Kioylmo 2 PCS Retractable Fake Knife Disappearing Dagger Knife**Kioylmo**£4.19**0.0★**▲ 629%**](https://www.amazon.co.uk/dp/B0H3SZJS9V) [**2 Pcs Fake Knife Retractable Prop Knives Black Plastic Knife Safety Toys**ERCHUTH**£3.87**0.0★**▲ 627%**](https://www.amazon.co.uk/dp/B0H114VRL2) [**Fukaisu 2pcs Training Fake Knife Toys Prank Realistic Dagger Prop Safe Flexible Training Plastic Prop for Martial Art Cosplay Costume Stage Performance & Play Fighting**Fukaisu**£6.53**5.0★**▲ 481%**](https://www.amazon.co.uk/dp/B0GQXK3PQ5) [**XMHBG 1 PCS Foam Swords Martial Arts Weapons Fake Knife Blunt Dagger Prop Realistic Dagger Toy Knife for Martial Art Training Costume Party Props(12)**XMHBG**£7.92**3.4★**▲ 341%**](https://www.amazon.co.uk/dp/B0FCS2QQPV) [**Dinghaole 2 Pcs Fake Knife Retractable Knife Prop Halloween Plastic Retractable Dagger Prop Trick Knife Magic Tricks Props Toys**dinghaole**£5.21**0.0★**▲ 328%**](https://www.amazon.co.uk/dp/B0FYNJMYR8)
**~~View all trending →~~**
## **What buyers say about fake knife**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**46%
*“is absolutely immaculate”*
**Value For Money**17%
*“good value cheap”*
**Advertised Vs Actual Product**8%
*“Was as expected”*
**Flexibility**4%
*“Flexible yet sturdy”*
**Weight Light**4%
*“They look good and are lightweight”*
**Durability**4%
*“Durable and scary looking son loves it”*
### **What buyers complain about **
**Durability**30%
*“it broke after 5 mins”*
**Quality-Overall**14%
*“As its very cheap dont expect much”*
**Strength**11%
*“Breaks too easy”*
**Add-Ons/Attachments**6%
*“the attachment from the hook then the case broke off in the matter of a week”*
**Design-Overall**6%
*“As soon as I put the knife in the sheath and gave it a little push past the fully-sheathed point, it split the bottom; well, it's not designed for that, so that's fair enough”*
**Print Quality**3%
**Handle Quality**3%
*“An adequate prop knife for cosplay / Halloween, however the handle and blade falter slightly in their lack of firmness and body / volume”*
**Functionality-Overall**3%
*“it will not work”*
**Weight Light**3%
*“Lightweight and a bit flimsy, looks OK from a distance”*
**Size-Overall**3%
*“But one bad thing about it is the fact its way bigger than a normal Buck 120”*
### **Top return reasons **
**Quality-Overall**22%
**Size-Overall**20%
**Durability**17%
**Design-Overall**8%
**Functionality-Overall**8%
**Defective Material/Parts**7%
**Strength**3%
**Advertised Vs Actual Product**3%
**Weight Heavy**3%
**Certifications**3%
## **Common questions**
- **Is fake knife profitable to sell on Amazon United Kingdom?**
- The niche generates £54K/yr across 31 tracked products. 0 of 6 products launched in the last 360 days are still selling. 90-day search growth is -27.1%. Flapen's verdict: Skip it (49/100).
- **How competitive is the fake knife niche?**
- 25 brands and 36 sellers compete. The top 5 products take 46% of clicks and top 5 brands hold 53% of demand.
- **What do buyers complain about in fake knife?**
- Top complaints mined from reviews: Durability, Quality-Overall, Strength. The return rate is 1.2%.
- **When does demand for fake knife peak?**
- Demand peaks in Oct–Nov; the busiest month runs 17.0× the quietest.
- **What does it cost to enter the fake knife niche?**
- Listings span £3.23–£15.60; the average listing price is £6.23 (sweet spot $15–$100). The average incumbent carries 90 reviews — the moat a new listing must climb.
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