---
title: "Training Knife — $94K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/sports-outdoors/training-knife"
last_updated: "2026-08-11T04:04:02.107Z"
locale: en
meta:
description: "Niche score 48/100 · $94K/yr market · 157K searches/yr · $15.93 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 48/100 · $94K/yr market · 157K searches/yr · $15.93 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Training Knife — $94K/yr Amazon US Niche (2026) - Flapen"
---
# **training knife**
**Skip it**
Soft demand (-10.2% this quarter) — this niche doesn't clear our bar today.
Market size 24Growth 20Conversion 47Competition 58Returns 76Price range 76Avg price 77Brand share 57Review moat 75Quality gap 38
**Avg price**
**Great****$15.93**
avg listing price — sweet spot $15–$100
**Returns**
**Great****1.9%**
return rate — above 5% kills the launch gate
**Price range**
**Great****$8.53–$36.11**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Review moat**
**Good****505.7**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Good****50%**
top-5 click share — leaders hold, buyers still browse
**Brand share**
**Good****71%**
top-5 brand share — brands hold most of the demand
**Conversion**
**Okay****3.8%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Market size**
**Bad****$94K**
$94K/yr · 157K searches
**Growth**
**Bad****-10.2%**
90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, training knife is a $94K/yr Amazon United States market (157K searches/yr). The top 5 brands hold 71% of demand. Verdict: Skip it — 48/100.
Data updated Jul 25, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **training knife market data**
- **Units sold / yr**
- **6K–8K**
- avg 100–250/product
- **Revenue / yr**
- **$96K–$127K**
- units × avg price
- **Conversion rate**
- **3.8%**
- **Avg BSR**
- **#112**
- **Page quality**
- **0%**
- **Prime**
- **96%**
- **Sponsored**
- **39%**
- **Out of stock**
- **6.3%**
- **Avg brand age**
- **61 months**
- **Avg seller age**
- **177 days**
## **Competition & brand share**
The top 5 products take 50% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**18 **▼falling
**Sellers**
**52**
**Top-5 brand share**
**71%**
Top 20: 100%
**Top-5 click share**
**50%**
Top 20: 96%
**Open market**
**26%**
- Cold Steel50% - RTCT7% - ASP6% - Kexvic4% - NORXUAZE4% - MSGumiho4%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -10.2% search growth over the last 90 days.
4K3KPrime Day '25Spike '25 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.4×
[**Open Trend **](https://flapen.com/research/us/sports-outdoors/training-knife/trend)
## **Top training knife search terms**
- **training knife**56K/yr-18.1%2.6% conv. - **rubber knife**31K/yr-10.2%2.2% conv. - **rubber training knife**15K/yr-11.9%3.5% conv. - **practice knife**12K/yr-7.2%2.0% conv. - **training knives**11K/yr+5.6%2.0% conv. - **knife trainer**6K/yr-4.2%0.8% conv. - **trainer knife**6K/yr-12.2%1.3% conv. - **dull knife**7K/yr-1.7%1.1% conv. - **training knife martial arts**6K/yr+6.8%5.5% conv. - **polypropylene knife**4K/yr-10.9%1.1% conv. [**All search terms **](https://flapen.com/research/us/sports-outdoors/training-knife/search-terms)
## **Top training 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%$9K20%$19K30%$28K40%$38K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 23 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Cold Steel Leatherneck S/F Trainer**Cold Steel**$9.77**4.7★1,429 rev](https://www.amazon.com/dp/B01HNJCY36) [2**Cold Steel Rubber Training Peace Keeper Black 12.25**Cold Steel**$11.83**4.7★946 rev](https://www.amazon.com/dp/B0012QS986) [3**RTCT Polypropylene Training Daggers Leatherneck S/F Trainer (2 Pack) Black Plastic Blade Lightweight Self Defense Safe Easy Fun Cosplay Combat Military Martial Arts Knife Sheath Included**RTCT**$19.98**4.6★121 rev](https://www.amazon.com/dp/B0DHCTJMXG) [4**Cold Steel Rubber Training Military Classic Knife Black**Cold Steel**$11.14**4.7★1,006 rev](https://www.amazon.com/dp/B0016CV10O) [5**ASP Red Knife for Training and Practice with Martial Arts Defense Props Tactical Law Enforcement Military**ASP**$21.62**4.8★86 rev](https://www.amazon.com/dp/B0006YZ5E6)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Soulchen 2 Pcs Plastic Training Knife for Martial Arts 9.8 Inch Fake Dagger Prop Training Weapon Plastic Practice Knife for Halloween Costumes Play Fighting Tactical Practice**Soulchen**$8.53**11 rev11mo ago](https://www.amazon.com/dp/B0FMWFXYZP) [**SPITZKANTE Kids Pocket Knife HEDGE-C01 Trainer Knife with Blunt Edge & Safety Rounded Tip Safety Lock Design Ergonomic G10 Handle Hands-On Learning & Outdoor Skill Development Tool**SPITZKANTE**$26.52**57 rev11mo ago](https://www.amazon.com/dp/B0FL7RHQN2) [**NORXUAZE 9.8 Inch Realistic Rubber Training Knife - Safe Dagger Prop for Martial Arts Cosplay & Stage Combat | Flexible Fake Knife for Costumes Play Fighting & Tactical Practice**NORXUAZE**$9.10**35 rev1y ago](https://www.amazon.com/dp/B0DXCYY9PF) [**RTCT Polypropylene Training Daggers Leatherneck S/F Trainer (2 Pack) Black Plastic Blade Lightweight Self Defense Safe Easy Fun Cosplay Combat Military Martial Arts Knife Sheath Included**RTCT**$19.98**121 rev1y ago](https://www.amazon.com/dp/B0DHCTJMXG) [**WinnerWhy 2 Pcs Rubber Training Knife with Sheath Dummy Plastic Dagger Flexible Soft Fixed Blade Fake Airsoft Knife Props for Halloween Martial Arts Cosplay Tactical Practice**WinnerWhy**$19.76**41 rev2y ago](https://www.amazon.com/dp/B0D9PTBGXW)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Tounlinx Tactical Rubber Trainer Knife Combat Bayonet with Scabbard/Sheath (Black3)**Tounlinx**$17.58**4.2★**▲ 313%**](https://www.amazon.com/dp/B01G0K2BH8) [**SPITZKANTE Kids Pocket Knife HEDGE-C01 Trainer Knife with Blunt Edge & Safety Rounded Tip Safety Lock Design Ergonomic G10 Handle Hands-On Learning & Outdoor Skill Development Tool**SPITZKANTE**$26.52**4.2★**▲ 145%**](https://www.amazon.com/dp/B0FL7RHQN2) [**Falcon 7.5 Tactical Fixed Blade Training Knife No Edge Trainer with 3 Finger Ring Handle ABS Handle & Sheath For Training & Practice Use Only (Damascus Pattern)**Falcon**$14.95**4.5★**▲ 112%**](https://www.amazon.com/dp/B07F7GLTFR) [**Soulchen 2 Pcs Plastic Training Knife for Martial Arts 9.8 Inch Fake Dagger Prop Training Weapon Plastic Practice Knife for Halloween Costumes Play Fighting Tactical Practice**Soulchen**$8.53**4.4★**▲ 107%**](https://www.amazon.com/dp/B0FMWFXYZP) [**Myersmas 2 Pack Classic Knife for Halloween Horror Movie Cosplay Horror Props**Myersmas**$9.06**4.6★**▲ 71%**](https://www.amazon.com/dp/B0B8D8V4F5)
**~~View all trending →~~**
## **What buyers say about training knife**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**13%
*“Construction is fairly decent”*
**Exercise/Sports Suitability**6%
*“Great for practicing”*
**Durability**5%
*“holds up well during use”*
**Value For Money**5%
*“Absolutely worth it”*
**Rubber Quality**5%
*“The rubber is strong”*
**Size-Overall**5%
*“appropriate size”*
**Design-Overall**4%
*“perfect design”*
**Safety Standards**4%
*“Safe and fun trainer for practice”*
**Fun/Entertainment Experience**4%
*“it is fun”*
**Grip**4%
*“The grip is comfortable”*
### **What buyers complain about **
**Durability**10%
*“has to be continually tightened or it falls apart”*
**Size-Overall**9%
*“I was disappointed that it would not fit in a sheath”*
**Stiffness**6%
*“I had to loosen some of the bolts as it was super stiff when opening and closing”*
**Grip**4%
*“the grip is a bit unrealistic”*
**Sharpness**4%
*“It is not sharp like a knife”*
**Hard Feel**4%
*“Fairly stiff”*
**Rubber Quality**4%
*“Not rubber it was plastic and very flimsy and cheap”*
**Weight Heavy**3%
*“its really heavy and kinda sticky”*
**Assembly/Installation**2%
*“His only complaint was that its hard to clip back together”*
**Quality-Overall**2%
*“Cheap”*
### **Top return reasons **
**Size-Overall**26%
**Sharpness**15%
**Advertised Vs Actual Product**9%
**Material Quality**9%
**Quality-Overall**8%
**Strength**3%
**Value For Money**3%
**Functionality-Overall**3%
**Weight Heavy**2%
**Stiffness**2%
## **Common questions**
- **Is training knife profitable to sell on Amazon United States?**
- The niche generates $94K/yr across 23 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is -10.2%. Flapen's verdict: Skip it (48/100).
- **How competitive is the training knife niche?**
- 18 brands and 52 sellers compete. The top 5 products take 50% of clicks and top 5 brands hold 71% of demand.
- **What do buyers complain about in training knife?**
- Top complaints mined from reviews: Durability, Size-Overall, Stiffness. The return rate is 1.9%.
- **When does demand for training knife peak?**
- Demand is steady year-round — the busiest month runs 1.4× the quietest.
- **What does it cost to enter the training knife niche?**
- Listings span $8.53–$36.11; the average listing price is $15.93 (sweet spot $15–$100). The average incumbent carries 506 reviews — the moat a new listing must climb.
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