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100 year old costume for boys

Skip it

Soft demand (-98.1% this quarter) — this niche doesn't clear our bar today.

Market size 11Growth 0Conversion 12Competition 34Returns 6Price range 72Avg price 91Brand share 44Review moat 88Quality gap 21

Avg price

Great$21.26

avg listing price — sweet spot $15–$100

Review moat

Great244.88

avg incumbent reviews — the moat a new listing must climb

Price range

Good$8.99–$30.60

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

Brand share

Okay79%

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

Competition

Okay65%

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

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

Conversion

Bad1.0%

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

Market size

Bad$45K

$45K/yr · 218K searches

Returns

Bad10.3%

return rate — above 5% kills the launch gate

Growth

Bad-98.1%

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

According to Flapen's Amazon United States niche tracking, 100 year old costume for boys is a $45K/yr Amazon United States market (218K searches/yr). The top 5 brands hold 79% of demand. Demand peaks in Jan–Feb. Verdict: Skip it — 28/100.

Data updated Jul 10, 2026 · scored weekly · How we score niches

100 year old costume for boys market data

Units sold / yr
10K–13K
avg 0–100/product
Revenue / yr
$213K–$266K
units × avg price
Conversion rate
1.0%
Avg BSR
#1,095
Page quality
0%
Prime
100%
Sponsored
75%
Out of stock
3.8%
Avg brand age
29 months
Avg seller age
210 days

Competition & brand share

The top 5 products take 65% of clicks — established leaders, but buyers still shop beyond them.

Brands

12 rising

Sellers

14

Top-5 brand share

79%

Top 20: 100%

Top-5 click share

65%

Top 20: 100%

Open market

17%

  • ZeroShop45%
  • EBYTOP13%
  • Skirfy9%
  • ZelJoyla7%
  • Paradi star5%
  • Boutrele4%
  • Open — no brand owns it (6 brands, 17%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -98.1% search growth over the last 90 days.
60K40KSpike '24Spike '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jan, Feb · busiest ÷ quietest = 319.1×

Top 100 year old costume for boys search terms

  • old person costume kids23K/yr
  • old people costume for kids18K/yr
  • 100 day of school costume for boys13K/yr
  • 100 year old costume25K/yr
  • 100 year old costume for kids48K/yr
  • 100 days of school boys21K/yr
  • kids 100 days of school costume for boys10K/yr
  • 100 days of school boy9K/yr
  • 100 days of school costume boys26K/yr
  • 100 year old costume for boys16K/yr
All search terms

Top 100 year old costume for boys 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%15%$7K30%$14K45%$20K60%$27K101001K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 16 tracked products in this niche — three views at once, no toggling.

What buyers say about 100 year old costume for boys

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

What buyers love

Quality-Overall30%

“This kit is great quality and quite complete”

Size-Overall21%

“The sizing is also accurate”

Value For Money13%

“Value for the money”

Durability5%

“Very nice and durable”

Material Quality4%

“The hat is a thick material”

Ease Of Use3%

“super easy to use”

Advertised Vs Actual Product3%

“This is better than expected”

Comfort-Overall3%

“Comfort too”

Adjustability/Rotatability/Reclining2%

“features five adjustable height levels to perfectly fit any child”

Add-Ons/Attachments2%

“Bonus is that because it comes with some many accessories”

What buyers complain about

Size-Overall24%

“The hat fit is a smidge small”

Quality-Overall14%

“It's not great quality”

Durability10%

“The wig fell apart after 1 hour”

Product Condition9%

“Came used and in disgusting condition”

Advertised Vs Actual Product3%

“The picture is misleading too”

Allergies3%

“It did irritate my sons face”

Hard Feel3%

“It was ridiculously difficult”

Adhesion/Stickiness3%

“Eye brows are mustache doesn't stick well”

Smell2%

“The mustache my son said kinda smelled”

Material Quality2%

“Cheap material”

Top return reasons

Size-Overall73%
Value For Money4%
Advertised Vs Actual Product4%
Quality-Overall4%
Product Condition3%
Length2%
Defective Material/Parts2%
Adhesion/Stickiness1%
Color1%
Material Quality1%

Common questions

Is 100 year old costume for boys profitable to sell on Amazon United States?
The niche generates $45K/yr across 16 tracked products. 0 of 5 products launched in the last 360 days are still selling. 90-day search growth is -98.1%. Flapen's verdict: Skip it (28/100).
How competitive is the 100 year old costume for boys niche?
12 brands and 14 sellers compete. The top 5 products take 65% of clicks and top 5 brands hold 79% of demand.
What do buyers complain about in 100 year old costume for boys?
Top complaints mined from reviews: Size-Overall, Quality-Overall, Durability. The return rate is 10.3% — above our launch gate.
When does demand for 100 year old costume for boys peak?
Demand peaks in Jan–Feb; the busiest month runs 319.1× the quietest.
What does it cost to enter the 100 year old costume for boys niche?
Listings span $8.99–$30.60; the average listing price is $21.26 (sweet spot $15–$100). The average incumbent carries 245 reviews — the moat a new listing must climb.