triangle
Skip itSoft demand (-9.7% this quarter) — this niche doesn't clear our bar today.
Review moat
Great354.12avg incumbent reviews — the moat a new listing must climb
Returns
Great1.7%return rate — above 5% kills the launch gate
Conversion
Good5.4%search→purchase rate — share of searches ending in a sale
Price range
Good$4.74–$29.70cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Good$12.43avg listing price — sweet spot $15–$100
Brand share
Okay76%top-5 brand share — brands hold most of the demand
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Competition
Okay63%top-5 click share — leaders hold, buyers still browse
Market size
Bad$90K$90K/yr · 134K searches
Growth
Bad-9.7%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, triangle is a $90K/yr Amazon United States market (134K searches/yr). The top 5 brands hold 76% of demand. Verdict: Skip it — 46/100.
Data updated Jul 8, 2026 · scored weekly · How we score niches
triangle market data
- Units sold / yr
- 6K–8K
- avg 250–500/product
- Revenue / yr
- $75K–$99K
- units × avg price
- Conversion rate
- 5.4%
- Avg BSR
- #24
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 88%
- Out of stock
- 1.3%
- Avg brand age
- 52 months
- Avg seller age
- 183 days
Competition & brand share
The top 5 products take 63% of clicks — established leaders, but buyers still shop beyond them.Brands
12 flat
Sellers
20
Top-5 brand share
76%
Top 20: 100%
Top-5 click share
63%
Top 20: 100%
Open market
20%
- TIPTAP28%
- TDOCK22%
- EASTROCK14%
- Musfunny6%
- Aliotech5%
- TreeWorks4%
Demand
Weekly Amazon search volume, last 10 weeks — -9.7% search growth over the last 90 days.Top triangle search terms
- triangle88K/yr
- triangle instrument23K/yr
- triangles7K/yr
- triangle musical instrument7K/yr
- musical triangle3K/yr
- triangle instrument for kids3K/yr
- triangle instrument for adults3K/yr
Top triangle 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 17 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
TIPTAP Hand Percussion Triangle 6IN Musical Steel Triangle with Striker Percussion Instrument with Exquisite Sound Instrument for Orff Music Education
TIPTAP$5.614.5★100 rev
6 Inch Musical Steel Triangle Percussion Instrument With Striker
TDOCK$6.864.6★1,528 rev
Aliotech Superior Sound Quality Musical Steel Triangle Percussion Instrument With Striker (4 Inch)
Aliotech$5.294.4★184 rev
EASTROCK Triangle Instrument Rhythm Steel Triangles Music Instrument Hand Percussion Triangles with Striker (6 Inch)
EASTROCK$8.604.5★90 rev
EASTROCK Triangle Instrument Rhythm Steel Triangles Music Instrument Hand Percussion Triangles with Striker (8 Inch)
EASTROCK$9.334.5★90 rev
Newest
by launch date
10 Inch Triangle Musical Instrument Music Triangles Bell
MIHEY$9.81160 rev
6 Inch Triangle Instrument Musical Steel Triangles Percussion with Striker for Music Learning Teaching Kids Adults School Prize Party Supplies Birthday Gifts
Blvochnnt$5.3913 rev
CAKES Body Grippy (Non-Adhesive) Triangle Nipple Covers for Women - Silicone Nipple Covers with Travel Pouch - Reusable Triangle Design for Tricky Tops & Swimwear - Honey OG Size (A-DD)
CAKES Body$29.70104 rev
TIPTAP Hand Percussion Triangle 6IN Musical Steel Triangle with Striker Percussion Instrument with Exquisite Sound Instrument for Orff Music Education
TIPTAP$5.61100 rev
EASTROCK Triangle Instrument Rhythm Steel Triangles Music Instrument Hand Percussion Triangles with Striker (6 Inch)
EASTROCK$8.6090 rev
Trending
90-day click momentumCAKES Body Grippy (Non-Adhesive) Triangle Nipple Covers for Women - Silicone Nipple Covers with Travel Pouch - Reusable Triangle Design for Tricky Tops & Swimwear - Honey OG Size (A-DD)
CAKES Body$29.704.1★
10 Inch Triangle Musical Instrument Music Triangles Bell
MIHEY$9.814.3★
EASTROCK Triangle Instrument Rhythm Steel Triangles Music Instrument Hand Percussion Triangles with Striker (8 Inch)
EASTROCK$9.334.5★
6 Inch Triangle Instrument Musical Steel Triangles Percussion with Striker for Music Learning Teaching Kids Adults School Prize Party Supplies Birthday Gifts
Blvochnnt$5.394.1★
TIPTAP Hand Percussion Triangle 6IN Musical Steel Triangle with Striker Percussion Instrument with Exquisite Sound Instrument for Orff Music Education
TIPTAP$5.614.5★
What buyers say about triangle
What buyers praise and complain about, mined from review topics.What buyers love
“The perfect nipple covers”
“SO comfortable”
“it is just the right compact size”
“Worth your money”
“Adhesive free, so easy to wash and reuse”
“The triangle shape is also flattering”
“Easy to use”
“As advertised”
“Good quality and sound”
“Perfect volume for a busy classroom — it cuts through the noise without being obnoxious”
What buyers complain about
“Do not stick”
“The sound quality is a little bit amateurish”
“The case is ridiculously large”
“certainly not in a way that's any more flattering than braless”
“cheap is not good”
“Its a little bit on the cheap side in terms of material so its not real heavy duty”
“My house will never be quiet again”
“Dont work”
“Thin”
“Came open and used, disgusting”
Top return reasons
Common questions
- Is triangle profitable to sell on Amazon United States?
- The niche generates $90K/yr across 17 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -9.7%. Flapen's verdict: Skip it (46/100).
- How competitive is the triangle niche?
- 12 brands and 20 sellers compete. The top 5 products take 63% of clicks and top 5 brands hold 76% of demand.
- What do buyers complain about in triangle?
- Top complaints mined from reviews: Adhesion/Stickiness, Audio Quality, Size-Overall. The return rate is 1.7%.
- What does it cost to enter the triangle niche?
- Listings span $4.74–$29.70; the average listing price is $12.43 (sweet spot $15–$100). The average incumbent carries 354 reviews — the moat a new listing must climb.