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jason costume for kids

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Weak search conversion (0.3%) — this niche doesn't clear our bar today.

Market size 8Growth 20Conversion 3Competition 59Returns 42Price range 81Avg price 95Brand share 68Review moat 74Quality gap 63

Avg price

Incredible$28.98

avg listing price — sweet spot $15–$100

Price range

Great$8.03–$48.38

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

Review moat

Good522.52

avg incumbent reviews — the moat a new listing must climb

Brand share

Good64%

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

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Competition

Good50%

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

Returns

Okay3.9%

return rate — above 6% kills the launch gate

Growth

Bad-9.3%

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

Market size

Bad$30K

$30K/yr · 387K searches

Conversion

Bad0.3%

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

Competition

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

Brands

15 rising

Sellers

22

Top-5 brand share

64%

Open market

29%

  • PRIMITAS20%
  • GOBWCOT18%
  • CASA CLAUSI10%
  • shyhand9%
  • Spirit Halloween8%
  • Landisun7%

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%$2K10%$3K15%$5K20%$6K1101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 25 tracked products in this niche — three views at once, no toggling.

Demand

Weekly Amazon search volume, last 40 weeks — -9.3% search growth over the last 90 days.
80K60KSpike '25Spike '26Oct '25Nov '25Dec '25Feb '26Mar '26May '26Jun '26

Reviews

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

What buyers love

Quality-Overall23%

“Decent quality”

Advertised Vs Actual Product16%

“just as advertised”

Value For Money14%

“Great value for your money”

Size-Overall12%

“the perfect size for him”

Fun/Entertainment Experience6%

“Buy fun for Cosplay”

Durability5%

“sturdy will not bend or break easily it will take a lot to break”

Material Quality4%

“Mask is made with quality material”

Smudge Resistance3%

“It was great no smudge looked real”

Weight Light3%

“Nice and lightweight”

Comfort-Overall3%

“Perfect and not too uncomfortable”

What buyers complain about

Size-Overall28%

“But my problem is the size”

Durability9%

“mine broke”

Color8%

“t was pink on white lab coat”

Stain Resistance6%

“when does, very blotchy, and stains to no end”

Comfort-Overall6%

“I feel very Voorheesish when I put it on”

Design-Overall6%

“came with a bad design flaw that distracts from the look of the mask”

Functionality-Overall3%

“not so effective”

Strength3%

“Knife a bit flimsy so bought a different one of those”

Dilute/Watery3%

“this was very watered down”

Sharpness3%

“not sharp so safe for cosplay”

Top return reasons

Size-Overall60%
Advertised Vs Actual Product12%
Color5%
Quality-Overall4%
Material Quality3%
Product Condition3%
Dilute/Watery3%
Length3%
Strap/String Quality2%
Functionality-Overall1%