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superhero party decorations

Worth a look

Shows low returns (0.8%), but a small market ($56K/yr) keeps it on the watch list.

Market size 14Growth 14Conversion 62Competition 65Returns 96Price range 40Avg price 22Brand share 75Review moat 86Quality gap 53

Returns

Incredible0.8%

return rate — above 5% kills the launch gate

Review moat

Great276.18

avg incumbent reviews — the moat a new listing must climb

Brand share

Good60%

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

Competition

Good46%

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

Conversion

Good5.4%

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

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Price range

Okay£2.14–£23.48

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

Avg price

Bad£8.01

avg listing price — sweet spot $15–$100

Market size

Bad£56K

£56K/yr · 129K searches

Growth

Bad-21.4%

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

According to Flapen's Amazon United Kingdom niche tracking, superhero party decorations is a £56K/yr Amazon United Kingdom market (129K searches/yr). The top 5 brands hold 60% of demand. Demand peaks in Jan–Sep. Verdict: Worth a look — 50/100.

Data updated Jul 27, 2026 · scored weekly · How we score niches

superhero party decorations market data

Units sold / yr
5K–6K
avg 100–250/product
Revenue / yr
£40K–£48K
units × avg price
Conversion rate
5.4%
Avg BSR
#708
Page quality
0%
Prime
97%
Sponsored
79%
Out of stock
17.9%
Avg brand age
34 months
Avg seller age
187 days

Competition & brand share

The top 5 products take 46% of clicks — established leaders, but buyers still shop beyond them.

Brands

23 flat

Sellers

57

Top-5 brand share

60%

Top 20: 98%

Top-5 click share

46%

Top 20: 88%

Open market

34%

  • CloverCy15%
  • yayafunfun15%
  • ZSYIULIA10%
  • Dekewe10%
  • COSORO10%
  • Heartsking6%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -21.4% search growth over the last 90 days.
4K3KSpike '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jan, Sep · busiest ÷ quietest = 2.2×

Top superhero party decorations search terms

  • superhero party decorations16K/yr
  • marvel balloons17K/yr
  • marvel birthday decoration16K/yr
  • superhero balloons14K/yr
  • avengers party decorations12K/yr
  • marvel party decorations12K/yr
  • avengers balloons9K/yr
  • superhero birthday decorations6K/yr
  • super hero party decorations6K/yr
  • avengers birthday decorations6K/yr
All search terms

Top superhero party 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%£2K8%£4K12%£7K16%£9K1101001K10K 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 superhero party decorations

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

What buyers love

Quality-Overall25%

“These party decorations were really high quality”

Fun/Entertainment Experience14%

“Lots of fun for the kids”

Value For Money10%

“Great value for money”

Inflation/Deflation10%

“Hasn't deflated in all that time”

Durability9%

“has held up well to my son's boxing/wrestling/general mis-use of it”

Color5%

“easy to inflate and lovely colours”

Size-Overall5%

“Fun size fits all”

Collectibles5%

“Great party bundle”

Design-Overall2%

“The spider/cartoon theme is great for themed tables, backdrops, and balloon arches”

Stretchability/Expandability/Elasticity2%

“The elastic was easy too attach”

What buyers complain about

Inflation/Deflation13%

“then they won't float”

Strength13%

“Not very strong”

Adhesion/Stickiness11%

“Didnt really stick”

Quality-Overall8%

“Foil items were terrible quality”

Advertised Vs Actual Product8%

“Product specifications wrong. The advert states made of rubber when clearly on arrival they are made of card... disappointing to say the least”

Leak-Proof8%

“Poor quality - leaks air so does not stay upright”

Durability7%

“Easily broken”

Strap/String Quality4%

“the strings kept coming out on a few”

Assembly/Installation4%

“A lovely addition to birthday celebrations -though a little tricky to assemble”

Fun/Entertainment Experience3%

“Fun was short lived. low”

Top return reasons

Size-Overall27%
Quality-Overall14%
Advertised Vs Actual Product13%
Material Quality12%
Value For Money4%
Functionality-Overall4%
Smell3%
Gifting Purpose2%
Defective Material/Parts2%
Strength2%

Common questions

Is superhero party decorations profitable to sell on Amazon United Kingdom?
The niche generates £56K/yr across 33 tracked products. 1 of 10 products launched in the last 360 days are still selling. 90-day search growth is -21.4%. Flapen's verdict: Worth a look (50/100).
How competitive is the superhero party decorations niche?
23 brands and 57 sellers compete. The top 5 products take 46% of clicks and top 5 brands hold 60% of demand.
What do buyers complain about in superhero party decorations?
Top complaints mined from reviews: Inflation/Deflation, Strength, Adhesion/Stickiness. The return rate is 0.8%.
When does demand for superhero party decorations peak?
Demand peaks in Jan–Sep; the busiest month runs 2.2× the quietest.
What does it cost to enter the superhero party decorations niche?
Listings span £2.14–£23.48; the average listing price is £8.01 (sweet spot $15–$100). The average incumbent carries 276 reviews — the moat a new listing must climb.