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roman soldier costume kids

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Soft demand (-50.2% this quarter) — this niche doesn't clear our bar today.

Market size 2Growth 0Conversion 6Competition 89Returns 15Price range 87Avg price 95Brand share 84Review moat 88Quality gap 52

Avg price

Incredible$27.42

avg listing price — sweet spot $15–$100

Competition

Great26%

top-5 click share — an open shelf

Review moat

Great234.42

avg incumbent reviews — the moat a new listing must climb

Price range

Great$11.83–$41.98

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

Brand share

Great51%

top-5 brand share — no brand owns this niche

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Returns

Bad8.4%

return rate — above 6% kills the launch gate

Conversion

Bad0.5%

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

Market size

Bad$7K

$7K/yr · 53K searches

Growth

Bad-50.2%

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

Competition

Clicks spread well past the top 5 (26% combined) — an open shelf where new products get seen.

Brands

24 flat

Sellers

49

Top-5 brand share

51%

Open market

43%

  • California Costumes24%
  • yolsun7%
  • HAPNBCELE7%
  • Rubies7%
  • ReliBeauty6%
  • Gorkonpy6%

Product shelf

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%3%$2106%$4199%$62912%$8381101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 55 tracked products in this niche — three views at once, no toggling.

Demand

Weekly Amazon search volume, last 29 weeks — -50.2% search growth over the last 90 days.
1K750Spike '26Dec '25Jan '26Feb '26Mar '26Apr '26May '26Jun '26

Reviews

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

What buyers love

Size-Overall41%

“Great fit”

Quality-Overall16%

“Amazing quality”

Advertised Vs Actual Product6%

“Looks exactly as photo”

Ease Of Use5%

“Simple and effective”

Material Quality4%

“Quality of material was good”

Durability4%

“the durability of the helmet is adequate”

Gifting Purpose4%

“Christmas present”

Design-Overall2%

“It looked really cool”

Efficiency2%

“It works well”

Value For Money2%

“its really affordable”

What buyers complain about

Quality-Overall31%

“Cheap”

Size-Overall12%

“it barely fit”

Durability11%

“Broken in less than 5 minutes”

Strap/String Quality10%

“All the arm pieces had no straps”

Material Quality7%

“Cheap plastic”

Stiffness3%

“stiff plastic bands are what hold it on”

Design-Overall3%

“OK, the construction isn't the best,”

Advertised Vs Actual Product3%

“The pictures online are deceiving”

Handle Quality2%

“The sword handle was broken off”

Strength2%

“Very flimsy and cheaply made”

Top return reasons

Size-Overall69%
Quality-Overall5%
Material Quality5%
Advertised Vs Actual Product3%
Value For Money3%
Defective Material/Parts2%
Product Condition2%
Length2%
Functionality-Overall1%
Color1%