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51

nail painting kit

Worth a look

Shows low returns (0.8%), but a small market ($55K/yr) keeps it on the watch list.

Market size 14Growth 24Conversion 31Competition 92Returns 96Price range 76Avg price 39Brand share 77Review moat 32Quality gap 35

Returns

Incredible0.8%

return rate — above 6% kills the launch gate

Competition

Great23%

top-5 click share — an open shelf

Brand share

Great58%

top-5 brand share — no brand owns this niche

Price range

Great$4.37–$49.71

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

Avg price

Okay$10.63

avg listing price — sweet spot $15–$100

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Review moat

Okay3,328.84

avg incumbent reviews — the moat a new listing must climb

Conversion

Okay2.5%

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

Growth

Bad-2.5%

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

Market size

Bad$55K

$55K/yr · 209K searches

Competition

Clicks spread well past the top 5 (23% combined) — an open shelf where new products get seen.

Brands

44 falling

Sellers

60

Top-5 brand share

58%

Open market

39%

  • Teenitor20%
  • beetles Gel Polish13%
  • Fandamei12%
  • Artdone7%
  • Makartt7%
  • JODSONE3%

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%2%$1K4%$2K6%$3K8%$4K101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 89 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 71 weeks — -2.5% search growth over the last 90 days.
7K5KHoliday '25MarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun

No pronounced peak months · busiest ÷ quietest = 1.6×

Reviews

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

What buyers love

Quality-Overall19%

“the quality of everything in the kit is so great”

Ease Of Use12%

“Easy to apply”

Value For Money12%

“Great purchase for the price”

Color10%

“Amazing colors”

Advertised Vs Actual Product5%

“As advertised”

Design-Overall5%

“looks great”

Adhesion/Stickiness4%

“works well as glue”

Durability3%

“The charms are really pretty and durable”

Brush Quality3%

“Good quality brushes”

Efficiency2%

“This machine works awesome”

What buyers complain about

Color8%

“color not as described”

Size-Overall8%

“they are rather large”

Adhesion/Stickiness7%

“NOT STICKY”

Quality-Overall7%

“Cheap quality for the price”

Durability6%

“broke first use”

Advertised Vs Actual Product5%

“Not as described”

Ease Of Use5%

“Hard to use”

Thickness4%

“Super thick”

Functionality-Overall4%

“Did not work”

Smell3%

“It smells bad”

Top return reasons

Functionality-Overall14%
Advertised Vs Actual Product13%
Size-Overall12%
Color10%
Adhesion/Stickiness8%
Quality-Overall7%
Defective Material/Parts5%
Value For Money3%
Paint Quality2%
Ease Of Use2%