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kids costume masks

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A small market ($16K/yr) — this niche doesn't clear our bar today.

Market size 4Growth 25Conversion 8Competition 74Returns 47Price range 89Avg price 95Brand share 79Review moat 64Quality gap 45

Avg price

Incredible$25.49

avg listing price — sweet spot $15–$100

Price range

Great$9.22–$80.94

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

Brand share

Great56%

top-5 brand share — no brand owns this niche

Competition

Good40%

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

Review moat

Good923.56

avg incumbent reviews — the moat a new listing must climb

Returns

Okay3.3%

return rate — above 6% kills the launch gate

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Growth

Bad-0.3%

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

Conversion

Bad0.7%

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

Market size

Bad$16K

$16K/yr · 98K searches

Competition

The top 5 products take 40% of clicks — established leaders, but buyers still shop beyond them.

Brands

28 rising

Sellers

128

Top-5 brand share

56%

Open market

37%

  • Marvel16%
  • Tarrshiney11%
  • Tevigo10%
  • Hasbro10%
  • edcjake9%
  • Shampoer7%

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%$4866%$9719%$1K12%$2K101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 39 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -0.3% search growth over the last 90 days.
15K10KSpike '24Spike '25Prime Day '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Sep, Oct, Nov · busiest ÷ quietest = 19.8×

Reviews

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

What buyers love

Fun/Entertainment Experience17%

“Fun for kids”

Quality-Overall15%

“Great quality, arrived in perfect condition, and kept him entertained for hours”

Size-Overall10%

“Fits adults and kids”

Gifting Purpose9%

“Awesome gift”

Value For Money8%

“Money well spent”

Ease Of Use4%

“Easy to use”

Brightness/Shine/Glow4%

“Very bright”

Comfort-Overall3%

“its comfortable. according to my daughter., and it's very easy to put on and take off”

Durability3%

“The mask is very durable”

Advertised Vs Actual Product3%

“Works great, just as advertised”

What buyers complain about

Size-Overall18%

“Big”

Quality-Overall11%

“Very cheap quality”

Durability9%

“Broken”

Strap/String Quality5%

“straps dont stay on”

Comfort-Overall5%

“Uncomfortable”

Value For Money5%

“It does not do enough for the price”

Functionality-Overall4%

“Didnt work”

Advertised Vs Actual Product3%

“Sizes not what is advertised”

Noise Level3%

“the growling noise”

Charging3%

“not able to recharge”

Top return reasons

Size-Overall44%
Functionality-Overall8%
Advertised Vs Actual Product6%
Charging5%
Value For Money5%
Defective Material/Parts4%
Quality-Overall3%
Comfort-Overall3%
Material Quality3%
Strap/String Quality2%