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38

oompa loompa costume kids

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A small market ($8K/yr) — this niche doesn't clear our bar today.

Market size 2Growth 18Conversion 6Competition 62Returns 7Price range 85Avg price 95Brand share 38Review moat 88Quality gap 78

Avg price

Incredible$28.49

avg listing price — sweet spot $15–$100

Review moat

Great233.87

avg incumbent reviews — the moat a new listing must climb

Price range

Great$11.34–$40.75

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

Quality gap

Great4.3★

avg incumbent rating — lower means beatable quality

Competition

Good48%

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

Brand share

Okay82%

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

Growth

Bad-14.2%

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

Returns

Bad10.3%

return rate — above 6% kills the launch gate

Conversion

Bad0.4%

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

Market size

Bad$8K

$8K/yr · 65K searches

Competition

The top 5 products take 48% of clicks — established leaders, but buyers still shop beyond them.

Brands

14 rising

Sellers

28

Top-5 brand share

82%

Open market

13%

  • fun shack21%
  • Rubies18%
  • Fun Costumes16%
  • Remimi15%
  • Cekalue13%
  • BPURB4%
  • Open — no brand owns it (8 brands, 13%)

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%4%$3368%$67212%$1K16%$1K1101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 31 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 91 weeks — -14.2% search growth over the last 90 days.
12K8KSpike '25Prime Day '25Spike '26NovDecJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun

Peak months: Sep, Oct · busiest ÷ quietest = 44.7×

Reviews

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

What buyers love

Advertised Vs Actual Product75%

“as described”

Quality-Overall8%

“Good quality, satisfied with my purchase”

Size-Overall8%

“True to size”

Comfort-Overall8%

“Comfortable on my child”

What buyers complain about

Quality-Overall38%

“Very cheap looking kinda poor quality was shedding in the package kinda disappointed”

Size-Overall25%

“It was cute just didn't fit”

Strap/String Quality25%

“there is a bit of shedding of the strings”

Product Condition13%

“This item looked like it was a used Amazon return”

Top return reasons

Size-Overall75%
Advertised Vs Actual Product5%
Product Condition5%
Quality-Overall4%
Material Quality3%
Color2%
Defective Material/Parts1%
Functionality-Overall1%
Value For Money1%
Waist Fit1%