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52

trolls birthday party supplies

Worth a look

Shows a sweet-spot price point ($20.73 avg), but strong incumbent ratings (4.7★) keeps it on the watch list.

Market size 31Growth 43Conversion 40Competition 79Returns 71Price range 34Avg price 89Brand share 59Review moat 74Quality gap 21

Avg price

Great$20.73

avg listing price — sweet spot $15–$100

Competition

Great36%

top-5 click share — an open shelf

Review moat

Good547.95

avg incumbent reviews — the moat a new listing must climb

Returns

Good2.2%

return rate — above 5% kills the launch gate

Brand share

Good70%

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

Growth

Okay+14.5%

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

Conversion

Okay3.2%

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

Price range

Okay$5.77–$256.50

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

Market size

Okay$143K

$143K/yr · 215K searches

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

According to Flapen's Amazon United States niche tracking, trolls birthday party supplies is a $143K/yr Amazon United States market (215K searches/yr). The top 5 brands hold 70% of demand. Demand peaks in Aug–Sep–Oct. Verdict: Worth a look — 52/100.

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

trolls birthday party supplies market data

Units sold / yr
5K–6K
avg 100–250/product
Revenue / yr
$104K–$124K
units × avg price
Conversion rate
3.2%
Avg BSR
#4,779
Page quality
0%
Prime
100%
Sponsored
73%
Out of stock
1.7%
Avg brand age
38 months
Avg seller age
153 days

Competition & brand share

Clicks spread well past the top 5 (36% combined) — an open shelf where new products get seen.

Brands

22 falling

Sellers

39

Top-5 brand share

70%

Top 20: 99%

Top-5 click share

36%

Top 20: 83%

Open market

25%

  • Unique29%
  • Anagram15%
  • Mzeyapo11%
  • DREAMWORKS TROLLS10%
  • LUV HER5%
  • DecoPac5%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +14.5% search growth over the last 90 days.
30K20KSpike '25Prime Day '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Aug, Sep, Oct · busiest ÷ quietest = 3.1×

Top trolls birthday party supplies search terms

  • trolls birthday party decorations127K/yr
  • trolls party decorations30K/yr
  • trolls birthday12K/yr
  • trolls birthday decorations9K/yr
  • trolls party8K/yr
  • trolls decorations9K/yr
  • trolls pinata5K/yr
  • trolls birthday party5K/yr
  • trolls party supplies6K/yr
  • trolls birthday banner4K/yr
All search terms

Top trolls birthday party supplies 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%$6K8%$11K12%$17K16%$23K1101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted

All 24 tracked products in this niche — three views at once, no toggling.

What buyers say about trolls birthday party supplies

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

What buyers love

Color22%

“Vibrant colors”

Advertised Vs Actual Product15%

“just as pictured”

Quality-Overall13%

“Good quality balloons”

Fun/Entertainment Experience8%

“Fun and Bright”

Size-Overall5%

“I liked that they were all the same size”

Value For Money4%

“Good value”

Durability4%

“pretty durable, would get again”

Ease Of Use4%

“Simple and cute”

Inflation/Deflation4%

“Easy to blow up with my balloon buddy machine”

Assembly/Installation3%

“super easy to install on our table”

What buyers complain about

Size-Overall14%

“These ballons are not at all 12 inches”

Quality-Overall13%

“Terrible quality”

Value For Money12%

“it couldve been fuller for the price”

Color7%

“Its not a 2 pack of the same colors”

Adhesion/Stickiness6%

“Abysmal Adhesive”

Durability5%

“Broken when I got it”

Advertised Vs Actual Product4%

“False Advertising”

Smell3%

“it also had a smell that was a bit too strong”

Assembly/Installation3%

“totally not enough ballons to do this exact set up”

Suitable For Outdoor3%

“They are not good for outdoor decorations either”

Top return reasons

Size-Overall28%
Color20%
Value For Money16%
Advertised Vs Actual Product7%
Adhesion/Stickiness5%
Quality-Overall5%
Defective Material/Parts4%
Display Colors3%
Material Quality2%
Functionality-Overall2%

Common questions

Is trolls birthday party supplies profitable to sell on Amazon United States?
The niche generates $143K/yr across 37 tracked products. 1 of 7 products launched in the last 360 days are still selling. 90-day search growth is +14.5%. Flapen's verdict: Worth a look (52/100).
How competitive is the trolls birthday party supplies niche?
22 brands and 39 sellers compete. The top 5 products take 36% of clicks and top 5 brands hold 70% of demand.
What do buyers complain about in trolls birthday party supplies?
Top complaints mined from reviews: Size-Overall, Quality-Overall, Value For Money. The return rate is 2.2%.
When does demand for trolls birthday party supplies peak?
Demand peaks in Aug–Sep–Oct; the busiest month runs 3.1× the quietest.
What does it cost to enter the trolls birthday party supplies niche?
Listings span $5.77–$256.50; the average listing price is $20.73 (sweet spot $15–$100). The average incumbent carries 548 reviews — the moat a new listing must climb.