Skip to content
27

blow up halloween costumes for kids

Skip it

A small market ($0/yr) — this niche doesn't clear our bar today.

Market size 0Growth 17Conversion 0Competition 11Returns 12Price range 95Avg price 95Brand share 31Review moat 94Quality gap 42

Avg price

Incredible$31.28

avg listing price — sweet spot $15–$100

Price range

Incredible$21.74–$42.12

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

Review moat

Great126.5

avg incumbent reviews — the moat a new listing must climb

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Brand share

Okay86%

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

Growth

Bad-16.0%

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

Returns

Bad9.1%

return rate — above 6% kills the launch gate

Competition

Bad86%

top-5 click share — a locked-up shelf

Market size

Bad$0

$0/yr · 53K searches

Conversion

Bad0.0%

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

Competition

The top 5 products capture 86% of clicks — a locked-up shelf that new listings rarely crack.

Brands

6 rising

Sellers

8

Top-5 brand share

86%

Open market

0%

  • Stegosaurus22%
  • ROC PARTY19%
  • KOOY16%
  • Lumiparty15%
  • Spinosaurus15%
  • One Casa14%
  • Open — no brand owns it (0%)

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%$020%$030%$040%$0101001K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 6 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 77 weeks — -16.0% search growth over the last 90 days.
8K6KSpike '25Prime Day '25Spike '26NovDecJanAprMayJunJulAugSepOctNovDecJanAprMayJun

Peak months: Sep, Oct, Nov · busiest ÷ quietest = 105.9×

Reviews

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

What buyers love

Fun/Entertainment Experience15%

“Fun& easy to move around in”

Size-Overall11%

“I was actually able to fit”

Inflation/Deflation11%

“Inflation system is straightforward”

Ease Of Use10%

“easy to use”

Quality-Overall8%

“A decent enough costume”

Durability6%

“Durable”

Value For Money3%

“Impressive for the price”

Design-Overall3%

“The squirrel design is genuinely cute”

Strength3%

“It doesnt feel flimsy or cheap”

Comfort-Overall3%

“is the kind of costume you can wear comfortably all day”

What buyers complain about

Size-Overall18%

“this thing is actually huge on her”

Ease Of Use5%

“hard to walk in”

Value For Money5%

“The reason it is only four stars for me rather than five is the price”

Weight Heavy5%

“Its also a little bulky”

Thickness5%

“I did notice that the clear face shield is thicker than most of my inflatable costumes”

Hard Feel3%

“hard to walk in”

Strap/String Quality2%

“the strings are just a visual detriment”

Degree Of Motion2%

“movement can feel a bit limited”

Top return reasons

Size-Overall71%
Product Condition8%
Material Quality4%
Advertised Vs Actual Product4%
Functionality-Overall3%
Length2%
Inflation/Deflation2%
Value For Money1%
Battery Inclusion1%
Waist Fit1%