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avengers birthday decorations

Worth a look

Shows a thin review moat (401 avg reviews), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 59Growth 32Conversion 41Competition 69Returns 68Price range 64Avg price 78Brand share 74Review moat 80Quality gap 28

Review moat

Great400.87

avg incumbent reviews — the moat a new listing must climb

Avg price

Great$16.01

avg listing price — sweet spot $15–$100

Brand share

Good60%

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

Competition

Good43%

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

Returns

Good2.3%

return rate — above 5% kills the launch gate

Price range

Good$6.29–$30.61

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

Market size

Good$486K

$486K/yr · 932K searches

Conversion

Okay3.3%

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

Growth

Okay+5.9%

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

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

According to Flapen's Amazon United States niche tracking, avengers birthday decorations is a $486K/yr Amazon United States market (932K searches/yr). The top 5 brands hold 60% of demand. Verdict: Worth a look — 56/100.

Data updated Jul 23, 2026 · scored weekly · How we score niches

avengers birthday decorations market data

Units sold / yr
25K–30K
avg 250–500/product
Revenue / yr
$400K–$480K
units × avg price
Conversion rate
3.3%
Avg BSR
#1,168
Page quality
0%
Prime
100%
Sponsored
87%
Out of stock
7.6%
Avg brand age
29 months
Avg seller age
149 days

Competition & brand share

The top 5 products take 43% of clicks — established leaders, but buyers still shop beyond them.

Brands

28 falling

Sellers

58

Top-5 brand share

60%

Top 20: 91%

Top-5 click share

43%

Top 20: 81%

Open market

36%

  • leuaxmy28%
  • Unique12%
  • LAIKETE9%
  • GOTOFUN8%
  • Offa-annysice4%
  • KEASKELL3%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +5.9% search growth over the last 90 days.
25K15KSpike '25Prime Day '25Spike '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 2.5×

Top avengers birthday decorations search terms

  • avengers birthday decorations215K/yr
  • superhero party decorations174K/yr
  • marvel birthday decorations119K/yr
  • super hero birthday decorations90K/yr
  • marvel party decorations47K/yr
  • superhero birthday decorations43K/yr
  • captain america birthday decorations34K/yr
  • avengers party decorations37K/yr
  • super hero party decorations33K/yr
  • superhero party19K/yr
All search terms

Top avengers birthday decorations 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.

0%4%$19K8%$39K12%$58K16%$78K1101001K10K 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.

What buyers say about avengers birthday decorations

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

What buyers love

Quality-Overall21%

“Super fun quality set”

Value For Money12%

“Worth it”

Advertised Vs Actual Product11%

“works as advertised”

Size-Overall10%

“I really like the size it is perfect”

Durability9%

“Very durable”

Color6%

“The colors are bright”

Design-Overall6%

“the design is good”

Ease Of Use3%

“So it was easy”

Assembly/Installation2%

“Easy to assemble”

Strength2%

“Very sturdy”

What buyers complain about

Quality-Overall14%

“The foil balloons are not the best quality”

Size-Overall12%

“Too small”

Advertised Vs Actual Product8%

“This is deceiving”

Thickness5%

“Material was thicker than I thought”

Durability4%

“Im hoping after a few wears Ill be able to break them in”

Value For Money4%

“They werent cheap”

Inflation/Deflation4%

“Will not stay inflated”

Strength4%

“the buildings did not stand well”

Smell3%

“ended up not using due to the chemical smell”

Assembly/Installation3%

“Hard to put together”

Top return reasons

Size-Overall37%
Value For Money17%
Advertised Vs Actual Product9%
Quality-Overall6%
Functionality-Overall5%
Defective Material/Parts4%
Material Quality3%
Color3%
Strength2%
Assembly/Installation2%

Common questions

Is avengers birthday decorations profitable to sell on Amazon United States?
The niche generates $486K/yr across 39 tracked products. 9 of 12 products launched in the last 360 days are still selling. 90-day search growth is +5.9%. Flapen's verdict: Worth a look (56/100).
How competitive is the avengers birthday decorations niche?
28 brands and 58 sellers compete. The top 5 products take 43% of clicks and top 5 brands hold 60% of demand.
What do buyers complain about in avengers birthday decorations?
Top complaints mined from reviews: Quality-Overall, Size-Overall, Advertised Vs Actual Product. The return rate is 2.3%.
When does demand for avengers birthday decorations peak?
Demand is steady year-round — the busiest month runs 2.5× the quietest.
What does it cost to enter the avengers birthday decorations niche?
Listings span $6.29–$30.61; the average listing price is $16.01 (sweet spot $15–$100). The average incumbent carries 401 reviews — the moat a new listing must climb.