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34

sims plumbob

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A small market ($38K/yr) — this niche doesn't clear our bar today.

Market size 9Growth 23Conversion 15Competition 39Returns 10Price range 49Avg price 95Brand share 44Review moat 94Quality gap 43

Avg price

Incredible$39.04

avg listing price — sweet spot $15–$100

Review moat

Great111.94

avg incumbent reviews — the moat a new listing must climb

Price range

Okay$12.34–$186.36

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Competition

Okay62%

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

Growth

Bad-4.3%

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

Conversion

Bad1.2%

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

Returns

Bad9.7%

return rate — above 6% kills the launch gate

Market size

Bad$38K

$38K/yr · 82K searches

Competition

The top 5 products take 62% of clicks — established leaders, but buyers still shop beyond them.

Brands

12 flat

Sellers

14

Top-5 brand share

79%

Open market

16%

  • Cosplaya19%
  • FOTAP19%
  • The Sims18%
  • SUPWISER15%
  • Simms8%
  • URATOT5%
  • Open — no brand owns it (6 brands, 16%)

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%5%$2K10%$4K15%$6K20%$8K1101001K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)4 products missing review or click data not plotted

All 18 tracked products in this niche — three views at once, no toggling.

Demand

Weekly Amazon search volume, last 37 weeks — -4.3% search growth over the last 90 days.
18K13KSpike '26Oct '25Dec '25Jan '26Mar '26Apr '26May '26

Reviews

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

What buyers love

Ease Of Use13%

“They work great for an easy family or group costume”

Fun/Entertainment Experience10%

“💎 Fun & Easy Costume Idea”

Material Quality10%

“Good material”

Color9%

“The colors look nice”

Weight Light9%

“The headband itself is lightweight”

Size-Overall7%

“So cute and the perfect size”

Comfort-Overall7%

“Surprisingly comfortable”

Value For Money7%

“Great for the price”

Quality-Overall6%

“Good solid quality too”

Shape/Style5%

“Perfect costume for sims fans”

What buyers complain about

Value For Money17%

“Not worth the money”

Quality-Overall10%

“Cheap”

Instructions/User Manual/Troubleshooting8%

“I also dont have instructions”

Product Condition8%

“It looks like this item was returned”

Color8%

“really wish theyd sub out one of the greens for a Pink is all”

Size-Overall4%

“the diamond aren't huge”

Durability4%

“It broke before I even wore it”

Advertised Vs Actual Product4%

“Very cheap and honestly the picture does it no justice”

Strength3%

“Its less stable than I would like”

Comfort-Overall3%

“It is uncomfortable enough to deter them”

Top return reasons

Size-Overall44%
Defective Material/Parts8%
Quality-Overall7%
Advertised Vs Actual Product6%
Shape/Style5%
Color4%
Gap/Hole3%
Material Quality3%
Length3%
Product Condition3%