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zentangle supplies

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A small market ($71K/yr) — this niche doesn't clear our bar today.

Market size 18Growth 27Conversion 78Competition 50Returns 96Price range 74Avg price 57Brand share 56Review moat 23Quality gap 23

Returns

Incredible0.7%

return rate — above 6% kills the launch gate

Conversion

Great7.7%

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

Price range

Good$3.77–$46.46

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

Avg price

Good$12.88

avg listing price — sweet spot $15–$100

Brand share

Good71%

top-5 brand share — brands hold most of the demand

Competition

Okay55%

top-5 click share — leaders hold, buyers still browse

Growth

Okay+1.8%

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

Quality gap

Bad4.6★

avg incumbent rating — lower means beatable quality

Review moat

Bad8,456.2

avg incumbent reviews — the moat a new listing must climb

Market size

Bad$71K

$71K/yr · 72K searches

Competition

The top 5 products take 55% of clicks — established leaders, but buyers still shop beyond them.

Brands

14 flat

Sellers

48

Top-5 brand share

71%

Open market

23%

  • SAKURA38%
  • KOUSICOO13%
  • Zentangle9%
  • Jeimier7%
  • Tamaki5%
  • AKUBLE5%

Product shelf

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%10%$7K20%$14K30%$21K40%$29K1101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 20 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +1.8% search growth over the last 90 days.
3K2KPrime Day '24Spike '24Holiday '24Spike '25Prime Day '25Holiday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Dec · busiest ÷ quietest = 1.8×

Reviews

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

What buyers love

Quality-Overall20%

“Excellent variety”

Drawing Experience12%

“Great for drawing”

Value For Money10%

“Excellent value”

Advertised Vs Actual Product8%

“As advertised”

Size-Overall6%

“Good size”

Color6%

“Bright colors”

Ease Of Use5%

“Easy to use”

Pen/Pencil Quality3%

“Nice set of pens”

Efficiency2%

“Gets job done”

Writing Experience2%

“The pens seem to be of superior quality and write nice and smoothly”

What buyers complain about

Quality-Overall12%

“It is not my job to check their quality control”

Durability9%

“Fell apart”

Dry/Empty Ink8%

“Gel pen was dry”

Moist/Dry8%

“All Dried up”

Functionality-Overall7%

“Dont work”

Advertised Vs Actual Product6%

“Misleading”

Color4%

“Its not the shades of black I thought it would be”

Value For Money4%

“$12 for this. Not worth it”

Thickness4%

“could be thicker”

Ink Leakage3%

“Ink runs out quick”

Top return reasons

Size-Overall26%
Value For Money12%
Functionality-Overall9%
Advertised Vs Actual Product7%
Defective Material/Parts4%
Dry/Empty Ink4%
Color4%
Quality-Overall3%
Ink Refill3%
Thin3%