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worry stone

Skip it

Brand-locked demand (top 5 brands take 94% of clicks) — this niche doesn't clear our bar today.

Market size 52Growth 23Conversion 34Competition 17Returns 98Price range 52Avg price 61Brand share 15Review moat 66Quality gap 24

Returns

Incredible0.4%

return rate — above 5% kills the launch gate

Review moat

Good854.5

avg incumbent reviews — the moat a new listing must climb

Avg price

Good$13.33

avg listing price — sweet spot $15–$100

Market size

Good$315K

$315K/yr · 879K searches

Price range

Good$6.93–$23.74

cheapest to priciest tracked listing — scored on the share inside $15–$100

Conversion

Okay2.7%

search→purchase rate — share of searches ending in a sale

Quality gap

Bad4.6★

avg incumbent rating — lower means beatable quality

Growth

Bad-4.4%

90-day search growth — must beat 0% to launch

Competition

Bad80%

top-5 click share — a locked-up shelf

Brand share

Bad94%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, worry stone is a $315K/yr Amazon United States market (879K searches/yr). The top 5 brands hold 94% of demand. Demand peaks in Dec. Verdict: Skip it — 40/100.

Data updated Jul 10, 2026 · scored weekly · How we score niches

worry stone market data

Units sold / yr
30K–40K
avg 1,250–1,500/product
Revenue / yr
$400K–$533K
units × avg price
Conversion rate
2.7%
Avg BSR
#57
Page quality
0%
Prime
100%
Sponsored
100%
Out of stock
3.1%
Avg brand age
33 months
Avg seller age
167 days

Competition & brand share

The top 5 products capture 80% of clicks — a locked-up shelf that new listings rarely crack.

Brands

7 falling

Sellers

10

Top-5 brand share

94%

Top 20: 100%

Top-5 click share

80%

Top 20: 100%

Open market

3%

  • Roowest52%
  • KLT21%
  • Nuenen10%
  • Fekuar6%
  • DUQGUHO5%
  • BUNMO3%
  • Open — no brand owns it (1 brand, 3%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -4.4% search growth over the last 90 days.
25K15KHoliday '24Prime Day '25Spike '25Holiday '25SepDecMarJunAugNovMarMay

Peak months: Dec · busiest ÷ quietest = 1.7×

Top worry stone search terms

  • worry stones353K/yr
  • worry stone148K/yr
  • worry stones for anxiety106K/yr
  • sensory stones60K/yr
  • worry stones bulk37K/yr
  • fidget stones29K/yr
  • worry stones for kids36K/yr
  • worry stones for adults17K/yr
  • fidget stone11K/yr
  • worry stone fidget10K/yr
All search terms

Top worry stone 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%15%$47K30%$95K45%$142K60%$189K101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 10 tracked products in this niche — three views at once, no toggling.

What buyers say about worry stone

What buyers praise and complain about, mined from review topics.

What buyers love

Quality-Overall16%

“Good quality product for the whole family to use”

Advertised Vs Actual Product11%

“Exactly what I wanted”

Color9%

“Bright colors”

Durability9%

“They are durable”

Size-Overall7%

“Great size”

Fun/Entertainment Experience7%

“Cool toy”

Value For Money7%

“Worth it”

Noise Level5%

“We like because they do not make any noise”

Gifting Purpose5%

“Awesome gift ideas”

Grip3%

“Great for when you need some distraction or your hands just want to be moving”

What buyers complain about

Size-Overall31%

“Sizing & Description not accurate”

Color16%

“The colors on this one were more muted”

Texture/Consistency-Overall10%

“These have a really gross texture that is almost naturally sticky”

Strength10%

“So many broken”

Advertised Vs Actual Product5%

“So misleading listing information”

Value For Money5%

“Cheap”

Precious Gemstone3%

“Not true stone they are resin shaped hearts”

Hard Feel3%

“not all are smooth”

Allergies3%

“He fidgeted and scratched at his skin all the time, and I thought these would be helpful for him”

Quality-Overall2%

“Cheap”

Top return reasons

Size-Overall35%
Advertised Vs Actual Product9%
Material Quality9%
Functionality-Overall8%
Color7%
Quality-Overall6%
Texture/Consistency-Overall6%
Defective Material/Parts4%
Value For Money3%
Gifting Purpose2%

Common questions

Is worry stone profitable to sell on Amazon United States?
The niche generates $315K/yr across 10 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is -4.4%. Flapen's verdict: Skip it (40/100).
How competitive is the worry stone niche?
7 brands and 10 sellers compete. The top 5 products take 80% of clicks and top 5 brands hold 94% of demand.
What do buyers complain about in worry stone?
Top complaints mined from reviews: Size-Overall, Color, Texture/Consistency-Overall. The return rate is 0.4%.
When does demand for worry stone peak?
Demand peaks in Dec; the busiest month runs 1.7× the quietest.
What does it cost to enter the worry stone niche?
Listings span $6.93–$23.74; the average listing price is $13.33 (sweet spot $15–$100). The average incumbent carries 855 reviews — the moat a new listing must climb.