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willy wonka costume kids

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Soft demand (-51.1% this quarter) — this niche doesn't clear our bar today.

Market size 3Growth 0Conversion 6Competition 58Returns 0Price range 88Avg price 95Brand share 37Review moat 68Quality gap 75

Avg price

Incredible$30.94

avg listing price — sweet spot $15–$100

Price range

Great$11.26–$51.37

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

Quality gap

Great4.3★

avg incumbent rating — lower means beatable quality

Review moat

Good776.83

avg incumbent reviews — the moat a new listing must climb

Competition

Good50%

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

Brand share

Okay83%

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

Conversion

Bad0.5%

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

Market size

Bad$12K

$12K/yr · 79K searches

Growth

Bad-51.1%

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

Returns

Bad13.8%

return rate — above 6% kills the launch gate

Competition

The top 5 products take 50% of clicks — established leaders, but buyers still shop beyond them.

Brands

13 rising

Sellers

33

Top-5 brand share

83%

Open market

14%

  • Rubies47%
  • fun shack18%
  • Fun Costumes10%
  • Yewong4%
  • Cosplaysky4%
  • Spirit Halloween4%
  • Open — no brand owns it (7 brands, 14%)

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%$1K20%$2K30%$4K40%$5K1101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -51.1% search growth over the last 90 days.
13K8KSpike '24Spike '25Prime Day '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Sep, Oct · busiest ÷ quietest = 47.6×

Reviews

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

What buyers love

Quality-Overall35%

“Great quality costume”

Advertised Vs Actual Product14%

“as described”

Size-Overall9%

“Everything fit comfortably and worked well for both Halloween parties and themed events”

Ease Of Use4%

“Great option for anyone wanting an easy”

Weight Light4%

“I especially liked that the accessories are lightweight enough to wear for hours without feeling annoying”

Soft Feel4%

“The hat has a soft brim so it's straight”

Shape/Style3%

“The velvet top hat has a nice shape”

Fun/Entertainment Experience2%

“The sunglasses and bowtie are fun for photos”

Comfort-Overall2%

“Comfortable”

Material Quality2%

“soft material”

What buyers complain about

Size-Overall25%

“Sizing is ridiculous”

Accuracy-Overall13%

“Not exact”

Value For Money10%

“Definitely not worth the money”

Quality-Overall10%

“Crappy quality”

Advertised Vs Actual Product10%

“despite description for the product as well as the description on the packaging itself”

Product Condition6%

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

Material Quality6%

“flimsy material”

Thickness4%

“Its very thin”

Top return reasons

Size-Overall72%
Advertised Vs Actual Product5%
Quality-Overall4%
Material Quality3%
Product Condition3%
Color2%
Strength2%
Length2%
Value For Money1%
Defective Material/Parts1%