---
title: "Plastic Butterfly Knife — $7K/mo Amazon US Product Research"
canonical_url: "https://flapen.com/research/us/sports-outdoors/plastic-butterfly-knife"
last_updated: "2026-08-12T09:39:22.797Z"
locale: en
meta:
description: "Amazon product research for plastic butterfly knife: $7K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:description": "Amazon product research for plastic butterfly knife: $7K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:title": "Plastic Butterfly Knife — $7K/mo Amazon US Product Research"
---
# **Plastic Butterfly Knife**
**Worth a look**
Shows beatable incumbent ratings (4.1★), but soft demand (-40.4% this quarter) keeps it on the watch list.
Market size 20Growth 5Conversion 26Competition 75Returns 91Price range 62Avg price 64Brand share 79Review moat 69Quality gap 91
**Quality gap**
**Great****4.1★**
avg incumbent rating — lower means beatable quality
**Returns**
**Great****1.2%**
return rate — above 5% kills the launch gate
**Brand share**
**Great****56%**
top-5 brand share — no brand owns this niche
**Competition**
**Great****40%**
top-5 click share — an open shelf
**Review moat**
**Good****734.81**
avg incumbent reviews — the moat a new listing must climb
**Avg price**
**Good****$13.67**
avg listing price — sweet spot $15–$100
**Price range**
**Good****$6.33–$28.95**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Conversion**
**Okay****2.1%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Bad****$79K**
$79K/yr · 275K searches
**Growth**
**Bad****-40.4%**
90-day search growth — must beat 0% to launch
**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%") [** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500")
## **Is plastic butterfly knife profitable on Amazon?**
According to Flapen's Amazon United States niche tracking, plastic butterfly knife is a $79K/yr Amazon United States market (275K searches/yr). The top 5 brands hold 56% of demand. Demand peaks in Feb–Dec. Verdict: Worth a look — 53/100.
Data updated Jul 25, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **plastic butterfly knife market size & sales**
Units sold, revenue, conversion and listing quality across the tracked shelf.
- **Units sold / yr**
- **5K–6K**
- avg 100–250/product
- **Revenue / yr**
- **$68K–$82K**
- units × avg price
- **Conversion rate**
- **2.1%**
- **Avg BSR**
- **#840**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **72%**
- **Out of stock**
- **5.0%**
- **Avg brand age**
- **38 months**
- **Avg seller age**
- **181 days**
## **Competition: brands, sellers & click share**
Clicks spread well past the top 5 (40% combined) — an open shelf where new products get seen.
**Brands**
**23 **▲rising
**Sellers**
**41**
**Top-5 brand share**
**56%**
Top 20: 98%
**Top-5 click share**
**40%**
Top 20: 88%
**Open market**
**38%**
- ZABEES15% - RMISODO13% - Larqety11% - GOOD WORKER9% - DIMROM8% - VORNNEX6%
## **plastic butterfly knife demand & seasonality**
Weekly Amazon search volume, last 81 weeks — -40.4% search growth over the last 90 days.
9K7KSpike '25Black Friday '25Spike '26 seasonJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun
Peak months: Feb, Dec · busiest ÷ quietest = 2.0×
[**Open Trend **](https://flapen.com/research/us/sports-outdoors/plastic-butterfly-knife/trend)
## **Top plastic butterfly knife search terms shoppers use**
The exact queries shoppers type, with yearly volume, growth and conversion.
- **toy butterfly knife**47K/yr-39.5%2.3% conv. - **plastic butterfly knife**54K/yr-44.1%2.3% conv. - **butterfly knife toy**36K/yr-31.7%1.7% conv. - **3d printed butterfly knife**21K/yr-39.8%1.5% conv. - **butterfly knife plastic**23K/yr-46.0%1.2% conv. - **fidget butterfly knife**17K/yr-37.0%1.6% conv. - **butterfly knife for kids**13K/yr-49.9%2.1% conv. - **plastic balisong**10K/yr-29.0%1.2% conv. - **butterfly knife fidget**13K/yr-42.7%2.3% conv. - **butterfly knife trainer plastic**11K/yr-36.0%1.6% conv. [**All search terms **](https://flapen.com/research/us/sports-outdoors/plastic-butterfly-knife/search-terms)
## **Top plastic butterfly knife products & what they sell for**
Every tracked product — its share of the shelf, its review moat, and what it sells for.
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%3%$2K6%$5K9%$7K12%$9K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**ZABEES Carrot knife butterfly knife decompression toy Butterfly Knife Practice Prop (Big)**ZABEES**$6.33**3.8★49 rev](https://www.amazon.com/dp/B0CG67RPWX) [2**RMISODO 2 Pcs Carrot Butterfly Fidget Knife Toy Colorful and Novel Shape Made with 3D Printing Technology Sturdy and Durable Perfect Stress Relief Toy Green 1 Big 1 Small.**RMISODO**$9.23**4.2★233 rev](https://www.amazon.com/dp/B0CHJFSGM3) [3**DIMROM Practice Butterfly Knife Trainer with Dull Blade (Rainbow Gradient)**DIMROM**$11.08**4.4★745 rev](https://www.amazon.com/dp/B0934JVT2M) [4**VORNNEX Practice Butterfly knife Trainer with Sure Spring Latch Full Stainless Steel Black Dull Balisong Unsharpened Butterfly knives Comb for CSGO Training(Silver)**VORNNEX**$10.27**4.5★10,714 rev](https://www.amazon.com/dp/B06XRCGCV8) [5**Butterfly Knife - Balisong Trainer - Black Practice Butterfly Trainer with Sure Spring Latch - Balisong Knives NOT Real NOT Sharp Blade - Full Stainless Steel Fake Dull Trick CSGO Fidget Toy K19 B**GOOD WORKER**$14.37**4.4★623 rev](https://www.amazon.com/dp/B0BYP86GXG)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Dreamplay Fidget Gravity Karambit Knife 2 Pcs 3D Printed Gravity Toys Fake Knife Perfect for Anxiety Stress Relief Autism and ADD (Knifes-Black)**Dreamplay**$8.49**124 rev6mo ago](https://www.amazon.com/dp/B0GJTK72SK) [**Sosuy Butterfly Sword Building Block 1:1 Foldable Model Toys for Adult Kid**Sosuy**$10.50**22 rev9mo ago](https://www.amazon.com/dp/B0FVMFZT55) [**2 PCS Butterfly Knife Sakaban Turtle Fishbone Fidget Knife Gravity Knife 3D Printed Tools Perfect for Outdoor Training and Exercise**YTRUOYI**$8.46**21 rev2y ago](https://www.amazon.com/dp/B0D5Y1CMX4) [**Selxran Banana Butterfly Knife Sturdy Butterfly Fidget Knife for Outdoor Training and Exercise**Selxran**$8.32**22 rev2y ago](https://www.amazon.com/dp/B0D2XMVSCX) [**PETBSNVB 2pcs Fidget Claw Knife 3D Gravity Knife Toy 3D Gravity Plastic Switchblade Printed Printing Knife Carrot Knife Sensory Knife Fidget Toys for Kids & Adults Anxiety Stress Relief Toy**PETBSNVB**$8.11**650 rev2y ago](https://www.amazon.com/dp/B0CSS679VQ)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Dreamplay Fidget Gravity Karambit Knife 2 Pcs 3D Printed Gravity Toys Fake Knife Perfect for Anxiety Stress Relief Autism and ADD (Knifes-Black)**Dreamplay**$8.49**4.2★**▲ 209%**](https://www.amazon.com/dp/B0GJTK72SK) [**Butterfly Knife - Balisong Trainer - Black Practice Butterfly Trainer with Sure Spring Latch - Balisong Knives NOT Real NOT Sharp Blade - Full Stainless Steel Fake Dull Trick CSGO Fidget Toy K19 B**GOOD WORKER**$14.37**4.4★**▲ 135%**](https://www.amazon.com/dp/B0BYP86GXG) [**ZABEES Carrot knife butterfly knife decompression toy Butterfly Knife Practice Prop (Big+Small)**ZABEES**$8.05**3.1★**▲ 110%**](https://www.amazon.com/dp/B0CG66VTD9) [**Little World Butterfly Knife - 1 Pack Butterfly Knife Trainer Practice Tool Steel Metal - Comb for Practicing Flipping Tricks Folding Unsharpened - Balisong Trainer Black**Little World**$9.39**4.2★**▲ 107%**](https://www.amazon.com/dp/B08CYXY3VM) [**ZABEES Carrot knife butterfly knife decompression toy Butterfly Knife Practice Prop (Big)**ZABEES**$6.33**3.8★**▲ 73%**](https://www.amazon.com/dp/B0CG67RPWX)
**~~View all trending →~~**
## **What reviews say buyers love and hate about plastic butterfly knife**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**16%
*“quality is solid”*
**Fun/Entertainment Experience**13%
*“Fun Toy”*
**Value For Money**10%
*“Good for the price”*
**Advertised Vs Actual Product**5%
*“As described”*
**Durability**5%
*“Top notch quality and durable”*
**Ease Of Use**4%
*“Easy to use”*
**Color**4%
*“its colorful”*
**Weight Light**4%
*“TLDR: It's lightweight, flips smoothly”*
**Suitability Beginner**4%
*“I recommend it for any beginners”*
**Grip**3%
*“Grips well”*
### **What buyers complain about **
**Durability**29%
*“Breaks easily”*
**Quality-Overall**14%
*“Bad quality”*
**Size-Overall**4%
*“not the best fitment”*
**Weight Heavy**4%
*“its really heavy and kinda sticky”*
**Strength**4%
*“they are flimsy”*
**Sharpness**3%
*“this knife is not sharp”*
**Value For Money**3%
*“They are just cheap”*
**Ease Of Use**2%
*“Hard to operate”*
**Handle Quality**2%
*“handle is poorly made”*
**Functionality-Overall**2%
*“It was barely working”*
### **Top return reasons **
**Defective Material/Parts**22%
**Durability**16%
**Functionality-Overall**8%
**Quality-Overall**7%
**Weight Heavy**5%
**Handle Quality**5%
**Size-Overall**4%
**Advertised Vs Actual Product**4%
**Material Quality**4%
**Sharpness**3%
## **Common plastic butterfly knife questions**
- **Is plastic butterfly knife profitable to sell on Amazon United States?**
- The niche generates $79K/yr across 36 tracked products. 1 of 2 products launched in the last 360 days are still selling. 90-day search growth is -40.4%. Flapen's verdict: Worth a look (53/100).
- **How competitive is the plastic butterfly knife niche?**
- 23 brands and 41 sellers compete. The top 5 products take 40% of clicks and top 5 brands hold 56% of demand.
- **What do buyers complain about in plastic butterfly knife?**
- Top complaints mined from reviews: Durability, Quality-Overall, Size-Overall. The return rate is 1.2%.
- **When does demand for plastic butterfly knife peak?**
- Demand peaks in Feb–Dec; the busiest month runs 2.0× the quietest.
- **What does it cost to enter the plastic butterfly knife niche?**
- Listings span $6.33–$28.95; the average listing price is $13.67 (sweet spot $15–$100). The average incumbent carries 735 reviews — the moat a new listing must climb.
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