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37

sumo wrestling costume for kids

Skip it

Soft demand (-31.7% this quarter) — this niche doesn't clear our bar today.

Market size 10Growth 9Conversion 41Competition 32Returns 26Price range 95Avg price 95Brand share 37Review moat 62Quality gap 68

Avg price

Incredible$33.90

avg listing price — sweet spot $15–$100

Price range

Incredible$19.12–$86.93

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

Quality gap

Good4.3★

avg incumbent rating — lower means beatable quality

Review moat

Good1,012.62

avg incumbent reviews — the moat a new listing must climb

Conversion

Okay3.3%

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

Brand share

Okay83%

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

Competition

Okay66%

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

Returns

Okay5.0%

return rate — above 5% kills the launch gate

Market size

Bad$42K

$42K/yr · 37K searches

Growth

Bad-31.7%

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

According to Flapen's Amazon United States niche tracking, sumo wrestling costume for kids is a $42K/yr Amazon United States market (37K searches/yr). The top 5 brands hold 83% of demand. Demand peaks in Sep–Oct–Nov. Verdict: Skip it — 37/100.

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

sumo wrestling costume for kids market data

Units sold / yr
2K–2K
avg 100–250/product
Revenue / yr
$51K–$68K
units × avg price
Conversion rate
3.3%
Avg BSR
#2,439
Page quality
0%
Prime
100%
Sponsored
62%
Out of stock
16.0%
Avg brand age
58 months
Avg seller age
201 days

Competition & brand share

The top 5 products take 66% of clicks — established leaders, but buyers still shop beyond them.

Brands

9 flat

Sellers

21

Top-5 brand share

83%

Top 20: 100%

Top-5 click share

66%

Top 20: 100%

Open market

12%

  • Threadsorcery39%
  • Morph18%
  • BROWNYEW13%
  • Big Time Toys9%
  • Spooktacular Creations5%
  • SUNSHINE-MALL4%
  • Open — no brand owns it (3 brands, 12%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -31.7% search growth over the last 90 days.
7K5KSpike '24Holiday '24Spike '25Prime Day '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Sep, Oct, Nov · busiest ÷ quietest = 29.1×

Top sumo wrestling costume for kids search terms

  • sumo wrestler inflatable costume kids14K/yr
  • kids sumo wrestler costume7K/yr
  • kids sumo wrestler inflatable4K/yr
  • sumo costume kids3K/yr
  • sumo wrestler costume kids4K/yr
  • inflatable sumo costume kids3K/yr
  • sumo inflatable costume kids3K/yr
All search terms

Top sumo wrestling costume 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.

0%10%$4K20%$8K30%$12K40%$17K101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 13 tracked products in this niche — three views at once, no toggling.

What buyers say about sumo wrestling costume for kids

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

What buyers love

Fun/Entertainment Experience41%

“Kids had fun”

Inflation/Deflation8%

“it deflates super easy”

Size-Overall7%

“Fits good”

Durability7%

“Durable and good quality”

Ease Of Use6%

“Easy to operate”

Gifting Purpose4%

“Good cheap present”

Value For Money4%

“cost was great too”

Weight Light3%

“This sumo costume is lightweight”

Quality-Overall2%

“The quality has held up for months at this point so no issues there”

Comfort-Overall2%

“comfortable way funny looks well build”

What buyers complain about

Inflation/Deflation21%

“Will not stay inflated”

Durability21%

“Fell apart in the first 10 minutes”

Leak-Proof9%

“One had a Leak so we had to return”

Quality-Overall8%

“Cheap”

Value For Money5%

“They are a little cheap”

Product Condition4%

“Bought new got used”

Thickness4%

“Pretty thin,”

Socket/Port/Plug4%

“Plugs pop out to easily”

Size-Overall4%

“They were a little too big for the five and six-year-olds”

Stitch/Finish/Polish2%

“After one use a hole developed right at the seam in 2 places”

Top return reasons

Size-Overall30%
Inflation/Deflation26%
Leak-Proof6%
Value For Money5%
Durability5%
Defective Material/Parts4%
Functionality-Overall4%
Product Condition3%
Advertised Vs Actual Product3%
Quality-Overall2%

Common questions

Is sumo wrestling costume for kids profitable to sell on Amazon United States?
The niche generates $42K/yr across 13 tracked products. 90-day search growth is -31.7%. Flapen's verdict: Skip it (37/100).
How competitive is the sumo wrestling costume for kids niche?
9 brands and 21 sellers compete. The top 5 products take 66% of clicks and top 5 brands hold 83% of demand.
What do buyers complain about in sumo wrestling costume for kids?
Top complaints mined from reviews: Inflation/Deflation, Durability, Leak-Proof. The return rate is 5.0%.
When does demand for sumo wrestling costume for kids peak?
Demand peaks in Sep–Oct–Nov; the busiest month runs 29.1× the quietest.
What does it cost to enter the sumo wrestling costume for kids niche?
Listings span $19.12–$86.93; the average listing price is $33.90 (sweet spot $15–$100). The average incumbent carries 1,013 reviews — the moat a new listing must climb.