training knife
Skip itSoft demand (-10.2% this quarter) — this niche doesn't clear our bar today.
Avg price
Great$15.93avg listing price — sweet spot $15–$100
Returns
Great1.9%return rate — above 5% kills the launch gate
Price range
Great$8.53–$36.11cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Good505.7avg incumbent reviews — the moat a new listing must climb
Competition
Good50%top-5 click share — leaders hold, buyers still browse
Brand share
Good71%top-5 brand share — brands hold most of the demand
Conversion
Okay3.8%search→purchase rate — share of searches ending in a sale
Quality gap
Okay4.5★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
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.No pronounced peak months · busiest ÷ quietest = 1.4×
Top training knife search terms
- training knife56K/yr
- rubber knife31K/yr
- rubber training knife15K/yr
- practice knife12K/yr
- training knives11K/yr
- knife trainer6K/yr
- trainer knife6K/yr
- dull knife7K/yr
- training knife martial arts6K/yr
- polypropylene knife4K/yr
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.
All 23 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Cold Steel Leatherneck S/F Trainer
Cold Steel$9.774.7★1,429 rev
Cold Steel Rubber Training Peace Keeper Black 12.25
Cold Steel$11.834.7★946 rev
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$19.984.6★121 rev
Cold Steel Rubber Training Military Classic Knife Black
Cold Steel$11.144.7★1,006 rev
ASP Red Knife for Training and Practice with Martial Arts Defense Props Tactical Law Enforcement Military
ASP$21.624.8★86 rev
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$8.5311 rev
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$26.5257 rev
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$9.1035 rev
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$19.98121 rev
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$19.7641 rev
Trending
90-day click momentum
Tounlinx Tactical Rubber Trainer Knife Combat Bayonet with Scabbard/Sheath (Black3)
Tounlinx$17.584.2★
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$26.524.2★
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$14.954.5★
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$8.534.4★
Myersmas 2 Pack Classic Knife for Halloween Horror Movie Cosplay Horror Props
Myersmas$9.064.6★
What buyers say about training knife
What buyers praise and complain about, mined from review topics.What buyers love
“Construction is fairly decent”
“Great for practicing”
“holds up well during use”
“Absolutely worth it”
“The rubber is strong”
“appropriate size”
“perfect design”
“Safe and fun trainer for practice”
“it is fun”
“The grip is comfortable”
What buyers complain about
“has to be continually tightened or it falls apart”
“I was disappointed that it would not fit in a sheath”
“I had to loosen some of the bolts as it was super stiff when opening and closing”
“the grip is a bit unrealistic”
“It is not sharp like a knife”
“Fairly stiff”
“Not rubber it was plastic and very flimsy and cheap”
“its really heavy and kinda sticky”
“His only complaint was that its hard to clip back together”
“Cheap”
Top return reasons
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.