blow up halloween costumes for kids
Skip itA small market ($0/yr) — this niche doesn't clear our bar today.
Avg price
Incredible$31.28avg listing price — sweet spot $15–$100
Price range
Incredible$21.74–$42.12cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Great126.5avg 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
Competition
Bad86%top-5 click share — a locked-up shelf
Returns
Bad9.1%return rate — above 5% kills the launch gate
Market size
Bad$0$0/yr · 53K searches
Conversion
Bad0.0%search→purchase rate — share of searches ending in a sale
According to Flapen's Amazon United States niche tracking, blow up halloween costumes for kids is a $0/yr Amazon United States market (53K searches/yr). The top 5 brands hold 86% of demand. Demand peaks in Sep–Oct–Nov. Verdict: Skip it — 27/100.
Data updated Jul 10, 2026 · scored weekly · How we score niches
blow up halloween costumes for kids market data
- Units sold / yr
- 500–750
- avg 0–100/product
- Revenue / yr
- $16K–$23K
- units × avg price
- Conversion rate
- 0.0%
- Avg BSR
- #1,806
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 83%
- Out of stock
- 12.9%
- Avg brand age
- 37 months
- Avg seller age
- 160 days
Competition & brand share
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%
Top 20: 100%
Top-5 click share
86%
Top 20: 100%
Open market
0%
- Stegosaurus22%
- ROC PARTY19%
- KOOY16%
- Lumiparty15%
- Spinosaurus15%
- One Casa14%
- Open — no brand owns it (0%)
Demand & seasonality
Weekly Amazon search volume, last 77 weeks — -16.0% search growth over the last 90 days.Peak months: Sep, Oct, Nov · busiest ÷ quietest = 105.9×
Top blow up halloween costumes for kids search terms
- kids inflatable costumes20K/yr
- blow up halloween costumes for kids17K/yr
- blow up kids costume16K/yr
Top blow up halloween costumes for kids products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 6 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Stegosaurus Inflatable Axolotl Costume for Kids Halloween Kid Blow Up Costume Deluxe Pink Costumes for Girls Boys Cosplay Party
Stegosaurus$42.124.6★293 rev

Kids Inflatable Axolotl Costume Funny Birthday Gift for Girls&Boys Blow Up Ride On Outfit for Party & Cosplay(Blue-green LXL)
ROC PARTY$25.704.2★22 rev

KOOY Inflatable Unicorn Costume Kids Blow up Unicorn Costume Unicorn Inflatable Costume Funny Halloween Costumes Blow Up Costume For Kids7-10Y
KOOY$25.004.5★207 rev

Lumiparty Inflatable Dinosaur Costume for Kids Light Up T-Rex Funny Blow Up Halloween Party Cosplay Dress Up Outfit Boys Girls Blue
Lumiparty$21.744.5★30 rev

Spinosaurus Inflatable Squirrel Costume Kids Thanksgiving Inflatable Costume Christmas Blow Up Squirrel Costumes Halloween Inflatable Suit for Boys Girls
Spinosaurus$41.874.7★29 rev
Newest
by launch date
Kids Inflatable Axolotl Costume Funny Birthday Gift for Girls&Boys Blow Up Ride On Outfit for Party & Cosplay(Blue-green LXL)
ROC PARTY$25.7022 rev

Lumiparty Inflatable Dinosaur Costume for Kids Light Up T-Rex Funny Blow Up Halloween Party Cosplay Dress Up Outfit Boys Girls Blue
Lumiparty$21.7430 rev

Spinosaurus Inflatable Squirrel Costume Kids Thanksgiving Inflatable Costume Christmas Blow Up Squirrel Costumes Halloween Inflatable Suit for Boys Girls
Spinosaurus$41.8729 rev

One Casa Halloween Inflatable Costume Kids Blow Up Full Body Shark Suit Boys Girls (4-5YRS)
One Casa$31.27178 rev

KOOY Inflatable Unicorn Costume Kids Blow up Unicorn Costume Unicorn Inflatable Costume Funny Halloween Costumes Blow Up Costume For Kids7-10Y
KOOY$25.00207 rev
Trending
90-day click momentum
Kids Inflatable Axolotl Costume Funny Birthday Gift for Girls&Boys Blow Up Ride On Outfit for Party & Cosplay(Blue-green LXL)
ROC PARTY$25.704.2★

Spinosaurus Inflatable Squirrel Costume Kids Thanksgiving Inflatable Costume Christmas Blow Up Squirrel Costumes Halloween Inflatable Suit for Boys Girls
Spinosaurus$41.874.7★

Lumiparty Inflatable Dinosaur Costume for Kids Light Up T-Rex Funny Blow Up Halloween Party Cosplay Dress Up Outfit Boys Girls Blue
Lumiparty$21.744.5★

One Casa Halloween Inflatable Costume Kids Blow Up Full Body Shark Suit Boys Girls (4-5YRS)
One Casa$31.274.5★

KOOY Inflatable Unicorn Costume Kids Blow up Unicorn Costume Unicorn Inflatable Costume Funny Halloween Costumes Blow Up Costume For Kids7-10Y
KOOY$25.004.5★
What buyers say about blow up halloween costumes for kids
What buyers praise and complain about, mined from review topics.What buyers love
“Fun& easy to move around in”
“I was actually able to fit”
“Inflation system is straightforward”
“easy to use”
“A decent enough costume”
“Durable”
“Impressive for the price”
“The squirrel design is genuinely cute”
“It doesnt feel flimsy or cheap”
“is the kind of costume you can wear comfortably all day”
What buyers complain about
“this thing is actually huge on her”
“hard to walk in”
“The reason it is only four stars for me rather than five is the price”
“Its also a little bulky”
“I did notice that the clear face shield is thicker than most of my inflatable costumes”
“hard to walk in”
“the strings are just a visual detriment”
“movement can feel a bit limited”
Top return reasons
Common questions
- Is blow up halloween costumes for kids profitable to sell on Amazon United States?
- The niche generates $0/yr across 6 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -16.0%. Flapen's verdict: Skip it (27/100).
- How competitive is the blow up halloween costumes for kids niche?
- 6 brands and 8 sellers compete. The top 5 products take 86% of clicks and top 5 brands hold 86% of demand.
- What do buyers complain about in blow up halloween costumes for kids?
- Top complaints mined from reviews: Size-Overall, Ease Of Use, Value For Money. The return rate is 9.1% — above our launch gate.
- When does demand for blow up halloween costumes for kids peak?
- Demand peaks in Sep–Oct–Nov; the busiest month runs 105.9× the quietest.
- What does it cost to enter the blow up halloween costumes for kids niche?
- Listings span $21.74–$42.12; the average listing price is $31.28 (sweet spot $15–$100). The average incumbent carries 127 reviews — the moat a new listing must climb.