---
title: "Ninja Knife Set — £899K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/home-garden/ninja-knife-set"
last_updated: "2026-08-01T02:11:45.073Z"
locale: en
meta:
description: "Niche score 31/100 · £899K/yr market · 938K searches/yr · £119.72 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 31/100 · £899K/yr market · 938K searches/yr · £119.72 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Ninja Knife Set — £899K/yr Amazon UK Niche (2026) - Flapen"
---
# **ninja knife set**
**Skip it**
Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size 76Growth 10Conversion 10Competition 5Returns 75Price range 39Avg price 68Brand share 0Review moat 41Quality gap 16
**Market size**
**Great****£899K**
£899K/yr · 938K searches
**Returns**
**Great****2.0%**
return rate — above 5% kills the launch gate
**Avg price**
**Good****£119.72**
avg listing price — sweet spot $15–$100
**Review moat**
**Okay****2,450**
avg incumbent reviews — the moat a new listing must climb
**Price range**
**Okay****£33.78–£201.51**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Growth**
**Bad****-29.6%**
90-day search growth — must beat 0% to launch
**Conversion**
**Bad****0.8%**
search→purchase rate — share of searches ending in a sale
**Competition**
**Bad****94%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
**Signals**[** High Price**](https://flapen.com/research/niches?market=uk&signal=high_price "Avg price > $50")
According to Flapen's Amazon United Kingdom niche tracking, ninja knife set is a £899K/yr Amazon United Kingdom market (938K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 31/100.
Data updated Jul 27, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **ninja knife set market data**
- **Units sold / yr**
- **13K–15K**
- avg 2,500–3,000/product
- **Revenue / yr**
- **£1.5M–£1.8M**
- units × avg price
- **Conversion rate**
- **0.8%**
- **Avg BSR**
- **#13**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **100%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **48 months**
- **Avg seller age**
- **173 days**
## **Competition & brand share**
The top 5 products capture 94% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**2 **—flat
**Sellers**
**18**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**94%**
Top 20: 100%
**Open market**
**0%**
- Ninja97% - ACOQOOS3%
## **Demand**
Weekly Amazon search volume, last 47 weeks — -29.6% search growth over the last 90 days.
80K60KSpike '25Black Friday '25Holiday '25Spike '26Aug '25Oct '25Dec '25Jan '26Mar '26May '26Jun '26
[**Open Trend **](https://flapen.com/research/uk/home-garden/ninja-knife-set/trend)
## **Top ninja knife set search terms**
- **ninja knife set**502K/yr-25.0%1.2% conv. - **ninja knives**93K/yr+9.8%1.5% conv. - **ninja knife block set with sharpener**121K/yr-33.4%1.4% conv. - **ninja knife**39K/yr-14.9%1.0% conv. - **ninja knives set with sharpener**14K/yr-34.9%1.4% conv. - **ninja stay sharp knife set**21K/yr-30.3%0.9% conv. - **ninja knife block**24K/yr-46.7%1.3% conv. - **ninja never dull knife set**12K/yr-45.0%0.1% conv. - **ninja knifes**12K/yr-32.4%1.3% conv. - **ninja knives set**31K/yr-61.0%0.9% conv. [**All search terms **](https://flapen.com/research/uk/home-garden/ninja-knife-set/search-terms)
## **Top ninja knife set 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%£90K20%£180K30%£270K40%£359K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 7 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Ninja Foodi StaySharp Knife Block with Integrated Sharpener 5 Knives and Scissors (1 pair) Sharp 6-Piece Knife Set Chef Bread Slicing Utility Paring Knives & Scissors Stainless Steel K32006UK**Ninja**£102.69**4.8★5,522 rev](https://www.amazon.co.uk/dp/B09WYZ4CNS) [2**Ninja Foodi StaySharp Knife Block with Integrated Sharpener 5-Piece Set Includes Kitchen and Herb Scissors Black/Stainless Steel K32005UK**Ninja**£90.92**4.8★5,522 rev](https://www.amazon.co.uk/dp/B09JWLLX3T) [3**Ninja Foodi StaySharp Knife Block with Integrated Sharpener Deluxe 14-Piece Set K32014EUUK - Black**Ninja**£161.77**4.8★302 rev](https://www.amazon.co.uk/dp/B0DB6CNH2M) [4**Ninja StaySharp 13-Piece Knife Block Set with Removable Knife Sharpener Rust-Resistant German Stainless Steel Includes Kitchen and Herb Scissors Stone Gold NK32013EUUKSD1**Ninja**£201.51**4.8★16 rev](https://www.amazon.co.uk/dp/B0GS6KB7NN) [5**Ninja StaySharp Knife Set Stainless Steel 6Piece Set with Integrated Sharpener Chef Kitchen Slicing Bread Utility and Paring knives Kitchen Scissors White K62006EUWH**Ninja**£116.70**4.7★712 rev](https://www.amazon.co.uk/dp/B0CLP63P3G)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Ninja StaySharp 13-Piece Knife Block Set with Removable Knife Sharpener Rust-Resistant German Stainless Steel Includes Kitchen and Herb Scissors Stone Gold NK32013EUUKSD1**Ninja**£201.51**16 rev2mo ago](https://www.amazon.co.uk/dp/B0GS6KB7NN) [**Ninja Foodi StaySharp Knife Block with Integrated Sharpener Deluxe 14-Piece Set K32014EUUK - Black**Ninja**£161.77**302 rev2y ago](https://www.amazon.co.uk/dp/B0DB6CNH2M) [**Ninja StaySharp Knife Set Stainless Steel 6Piece Set with Integrated Sharpener Chef Kitchen Slicing Bread Utility and Paring knives Kitchen Scissors White K62006EUWH**Ninja**£116.70**712 rev2y ago](https://www.amazon.co.uk/dp/B0CLP63P3G) [**Ninja StaySharp Knife Set Stainless Steel 6-Piece Knife Set with Integrated Sharpener Includes Kitchen and Herb Scissors Black K62006EUUK**Ninja**£130.70**712 rev2y ago](https://www.amazon.co.uk/dp/B0CLP64KY7) [**Knife Set with Block 14 Piece with Built-in Sharpener Kitchen Knives for Chopping Slicing Dicing Cutting by ACOQOOS**ACOQOOS**£33.78**4,364 rev3y ago](https://www.amazon.co.uk/dp/B0B9S93Z5V)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Ninja StaySharp 13-Piece Knife Block Set with Removable Knife Sharpener Rust-Resistant German Stainless Steel Includes Kitchen and Herb Scissors Stone Gold NK32013EUUKSD1**Ninja**£201.51**4.8★**▲ 614%**](https://www.amazon.co.uk/dp/B0GS6KB7NN) [**Ninja StaySharp Knife Set Stainless Steel 6Piece Set with Integrated Sharpener Chef Kitchen Slicing Bread Utility and Paring knives Kitchen Scissors White K62006EUWH**Ninja**£116.70**4.7★**▲ 197%**](https://www.amazon.co.uk/dp/B0CLP63P3G) [**Ninja Foodi StaySharp Knife Block with Integrated Sharpener Deluxe 14-Piece Set K32014EUUK - Black**Ninja**£161.77**4.8★**▲ 13%**](https://www.amazon.co.uk/dp/B0DB6CNH2M) [**Ninja Foodi StaySharp Knife Block with Integrated Sharpener 5 Knives and Scissors (1 pair) Sharp 6-Piece Knife Set Chef Bread Slicing Utility Paring Knives & Scissors Stainless Steel K32006UK**Ninja**£102.69**4.8★**— 9%**](https://www.amazon.co.uk/dp/B09WYZ4CNS) [**Ninja Foodi StaySharp Knife Block with Integrated Sharpener 5-Piece Set Includes Kitchen and Herb Scissors Black/Stainless Steel K32005UK**Ninja**£90.92**4.8★**— 10%**](https://www.amazon.co.uk/dp/B09JWLLX3T)
**~~View all trending →~~**
## **What buyers say about ninja knife set**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**29%
*“look well made”*
**Value For Money**24%
*“Excellent value for money”*
**Sharpness**16%
*“Very sharp”*
**Ease Of Use**6%
*“Comfortable to hold and use”*
**Grip**4%
*“Comfortable grip”*
**Durability**3%
*“actually stay that way during regular use”*
**Size-Overall**3%
*“The various sizes are so easy to use for all areas of chopping”*
**Design-Overall**3%
*“stylish design”*
**Color**2%
*“The knife block is a lovely matt midnight blue colour”*
**Strength**2%
*“They feel sturdy, well made, and have been a definite upgrade in my kitchen”*
### **What buyers complain about **
**Quality-Overall**28%
*“The build quality is very poor”*
**Durability**22%
*“Came off in food after couple months”*
**Value For Money**15%
*“bit the bullet as they are expensive”*
**Size-Overall**6%
*“Not fit for purpose”*
**Instructions/User Manual/Troubleshooting**5%
*“Took some time to read instructions on sharpening”*
**Sharpness**5%
*“Blunt not very sharp”*
**Rusts/Corrodes**3%
*“the scissors have rusted”*
**Color**3%
*“after a while the black started to come off in my food”*
**Weight Heavy**2%
*“feel heavy”*
**Storage Capacity**1%
*“I will have to return it because I dont have enough space for it in my kitchen”*
### **Top return reasons **
**Size-Overall**28%
**Color**19%
**Quality-Overall**9%
**Defective Material/Parts**7%
**Value For Money**7%
**Functionality-Overall**4%
**Advertised Vs Actual Product**4%
**Weight Heavy**3%
**Material Quality**3%
**Gifting Purpose**3%
## **Common questions**
- **Is ninja knife set profitable to sell on Amazon United Kingdom?**
- The niche generates £899K/yr across 7 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -29.6%. Flapen's verdict: Skip it (31/100).
- **How competitive is the ninja knife set niche?**
- 2 brands and 18 sellers compete. The top 5 products take 94% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in ninja knife set?**
- Top complaints mined from reviews: Quality-Overall, Durability, Value For Money. The return rate is 2.0%.
- **What does it cost to enter the ninja knife set niche?**
- Listings span £33.78–£201.51; the average listing price is £119.72 (sweet spot $15–$100). The average incumbent carries 2,450 reviews — the moat a new listing must climb.
## **Related niches in Home & Garden**
- 79 [**mole repellent**](https://flapen.com/research/uk/home-garden/mole-repellent)£163K/yr+91.4%**Worth a look**- 80 [**sun lounger**](https://flapen.com/research/uk/home-garden/sun-lounger)£2.5M/yr+299.9%**Launch it**- 80 [**fly repellent fan**](https://flapen.com/research/uk/home-garden/fly-repellent-fan)£302K/yr>1,000%**Worth a look**- 80 [**ice maker**](https://flapen.com/research/uk/home-garden/ice-maker)£2.9M/yr+371.4%**Launch it**- 80 [**parasol base**](https://flapen.com/research/uk/home-garden/parasol-base)£1.1M/yr+904.4%**Launch it**- 80 [**air conditioner**](https://flapen.com/research/uk/home-garden/air-conditioner)£39.3M/yr>1,000%**Launch it**[**All Home & Garden niches **](https://flapen.com/research/uk/home-garden)