Plastic Butterfly Knife
Worth a lookShows beatable incumbent ratings (4.1★), but soft demand (-40.4% this quarter) keeps it on the watch list.
Quality gap
Great4.1★avg incumbent rating — lower means beatable quality
Returns
Great1.2%return rate — above 5% kills the launch gate
Brand share
Great56%top-5 brand share — no brand owns this niche
Competition
Great40%top-5 click share — an open shelf
Review moat
Good734.81avg incumbent reviews — the moat a new listing must climb
Avg price
Good$13.67avg listing price — sweet spot $15–$100
Price range
Good$6.33–$28.95cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Okay2.1%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
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
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.Peak months: Feb, Dec · busiest ÷ quietest = 2.0×
Top plastic butterfly knife search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.- toy butterfly knife47K/yr
- plastic butterfly knife54K/yr
- butterfly knife toy36K/yr
- 3d printed butterfly knife21K/yr
- butterfly knife plastic23K/yr
- fidget butterfly knife17K/yr
- butterfly knife for kids13K/yr
- plastic balisong10K/yr
- butterfly knife fidget13K/yr
- butterfly knife trainer plastic11K/yr
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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
ZABEES Carrot knife butterfly knife decompression toy Butterfly Knife Practice Prop (Big)
ZABEES$6.333.8★49 rev
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$9.234.2★233 rev
DIMROM Practice Butterfly Knife Trainer with Dull Blade (Rainbow Gradient)
DIMROM$11.084.4★745 rev
VORNNEX Practice Butterfly knife Trainer with Sure Spring Latch Full Stainless Steel Black Dull Balisong Unsharpened Butterfly knives Comb for CSGO Training(Silver)
VORNNEX$10.274.5★10,714 rev
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$14.374.4★623 rev
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$8.49124 rev
Sosuy Butterfly Sword Building Block 1:1 Foldable Model Toys for Adult Kid
Sosuy$10.5022 rev
2 PCS Butterfly Knife Sakaban Turtle Fishbone Fidget Knife Gravity Knife 3D Printed Tools Perfect for Outdoor Training and Exercise
YTRUOYI$8.4621 rev
Selxran Banana Butterfly Knife Sturdy Butterfly Fidget Knife for Outdoor Training and Exercise
Selxran$8.3222 rev
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$8.11650 rev
Trending
90-day click momentumDreamplay Fidget Gravity Karambit Knife 2 Pcs 3D Printed Gravity Toys Fake Knife Perfect for Anxiety Stress Relief Autism and ADD (Knifes-Black)
Dreamplay$8.494.2★
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$14.374.4★
ZABEES Carrot knife butterfly knife decompression toy Butterfly Knife Practice Prop (Big+Small)
ZABEES$8.053.1★
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$9.394.2★
ZABEES Carrot knife butterfly knife decompression toy Butterfly Knife Practice Prop (Big)
ZABEES$6.333.8★
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 is solid”
“Fun Toy”
“Good for the price”
“As described”
“Top notch quality and durable”
“Easy to use”
“its colorful”
“TLDR: It's lightweight, flips smoothly”
“I recommend it for any beginners”
“Grips well”
What buyers complain about
“Breaks easily”
“Bad quality”
“not the best fitment”
“its really heavy and kinda sticky”
“they are flimsy”
“this knife is not sharp”
“They are just cheap”
“Hard to operate”
“handle is poorly made”
“It was barely working”
Top return reasons
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.