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51

purple minion costume

Worth a look

Shows a thin review moat (185 avg reviews), but a small market ($57K/yr) keeps it on the watch list.

Market size 14Growth 57Conversion 21Competition 70Returns 21Price range 87Avg price 84Brand share 85Review moat 91Quality gap 43

Review moat

Great184.76

avg incumbent reviews — the moat a new listing must climb

Price range

Great$6.39–$87.84

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

Brand share

Great50%

top-5 brand share — no brand owns this niche

Avg price

Great$18.51

avg listing price — sweet spot $15–$100

Competition

Good43%

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

Growth

Good+30.6%

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Conversion

Bad1.7%

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

Returns

Bad6.9%

return rate — above 6% kills the launch gate

Market size

Bad$57K

$57K/yr · 187K searches

Competition

The top 5 products take 43% of clicks — established leaders, but buyers still shop beyond them.

Brands

28 rising

Sellers

45

Top-5 brand share

50%

Open market

45%

  • Maiteenly19%
  • Snwquik9%
  • HEYFIZZ8%
  • Fifth Sun7%
  • Bioworld6%
  • ZNTU6%

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%5%$3K10%$6K15%$9K20%$11K1101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)3 products missing review or click data not plotted

All 37 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +30.6% search growth over the last 90 days.
40K30KSpike '24Spike '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Sep, Oct, Nov · busiest ÷ quietest = 47.2×

Reviews

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

What buyers love

Size-Overall24%

“They fit well”

Value For Money20%

“its worth it”

Quality-Overall14%

“looks quite decent in person”

Comfort-Overall9%

“Its comfortable”

Color6%

“The colors and accessories matched the vibe perfectly, and everything fit comfortably”

Advertised Vs Actual Product5%

“True to its image”

Ease Of Use4%

“Easy costume idea”

Adjustability/Rotatability/Reclining3%

“adjustable to fit his head”

Material Quality3%

“Comfortable Material: Unlike bulky plastic costumes, this fabric is lightweight and breathable”

Weight Light2%

“this fabric is lightweight”

What buyers complain about

Size-Overall37%

“If you have a big head /a lot of hair the beanie wont fit good”

Durability10%

“not super durable”

Strap/String Quality10%

“the strap on the goggles broke after 1 use”

Stretchability/Expandability/Elasticity3%

“It doesn't offer a wide range of stretch beyond that”

Top return reasons

Size-Overall55%
Color7%
Feet Fit7%
Length4%
Quality-Overall4%
Material Quality3%
Wig/Artificial Hair Quality3%
Value For Money3%
Waist Fit2%
Product Condition2%