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ninjago keychain

Skip it

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Market size 34Growth 13Conversion 18Competition 94Returns 90Price range 35Avg price 95Brand share 0Review moat 82Quality gap 21

Avg price

Incredible$32.12

avg listing price — sweet spot $15–$100

Competition

Great21%

top-5 click share — an open shelf

Returns

Great1.2%

return rate — above 5% kills the launch gate

Review moat

Great353.36

avg incumbent reviews — the moat a new listing must climb

Price range

Okay$7.92–$252.16

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

Market size

Okay$161K

$161K/yr · 341K searches

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

Conversion

Bad1.5%

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

Growth

Bad-24.8%

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

Brand share

Bad100%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, ninjago keychain is a $161K/yr Amazon United States market (341K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 45/100.

Data updated Jul 30, 2026 · scored weekly · How we score niches

ninjago keychain market data

Units sold / yr
4K–5K
avg 0–100/product
Revenue / yr
$128K–$161K
units × avg price
Conversion rate
1.5%
Avg BSR
#5,111
Page quality
0%
Prime
93%
Sponsored
57%
Out of stock
5.7%
Avg brand age
36 months
Avg seller age
145 days

Competition & brand share

Clicks spread well past the top 5 (21% combined) — an open shelf where new products get seen.

Brands

4 flat

Sellers

316

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

21%

Top 20: 57%

Open market

0%

  • LEGO89%
  • IQ9%
  • STAR WARS1%
  • Scale Wear Design0%

Demand

Weekly Amazon search volume, last 17 weeks — -24.8% search growth over the last 90 days.
7K5KSpike '26Apr '26Apr '26May '26May '26May '26Jun '26Jun '26Jul '26Jul '26

Top ninjago keychain search terms

  • lego ninjago jay46K/yr
  • lego ninjago lloyd36K/yr
  • lloyd ninjago22K/yr
  • ninjago jay30K/yr
  • ninjago keychain21K/yr
  • ninjago legos jay17K/yr
  • ninjago lloyd21K/yr
  • lloyd19K/yr
  • jay ninjago18K/yr
  • lego ninjago keychain17K/yr
All search terms

Top ninjago keychain 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%2%$3K4%$6K6%$10K8%$13K1101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

What buyers say about ninjago keychain

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

What buyers love

Fun/Entertainment Experience21%

“Fun toy”

Gifting Purpose13%

“GREAT GIFT”

Value For Money11%

“Good Value”

Assembly/Installation10%

“Assembly is easy per our son”

Quality-Overall9%

“its great quality like a Lego set”

Collectibles8%

“Great addition to my collection”

Design-Overall8%

“The design is great”

Advertised Vs Actual Product7%

“As Expected”

Instructions/User Manual/Troubleshooting3%

“The instructions are clear”

Display-Overall2%

“Cool to display”

What buyers complain about

Size-Overall25%

“Larger than I thought”

Value For Money25%

“A little bit expensive”

Assembly/Installation7%

“My 10 year old put together without any help”

Adhesion/Stickiness4%

“Lego feet don't stick on the studs after awhile”

Accuracy-Overall3%

“Its not the exact accurate look”

Instructions/User Manual/Troubleshooting2%

“Directions couldnt be easier”

Advertised Vs Actual Product2%

“I was very much misled”

Defective Material/Parts2%

“Connections unsteady”

Color2%

“My only complain is the incorrect color for some of the figures”

Connectivity-Overall2%

“Connections unsteady”

Top return reasons

Size-Overall26%
Value For Money25%
Defective Material/Parts11%
Gifting Purpose10%
Advertised Vs Actual Product9%
Assembly/Installation3%
Product Condition3%
Quality-Overall2%
Functionality-Overall1%
Adhesion/Stickiness1%

Common questions

Is ninjago keychain profitable to sell on Amazon United States?
The niche generates $161K/yr across 76 tracked products. 12 of 18 products launched in the last 360 days are still selling. 90-day search growth is -24.8%. Flapen's verdict: Skip it (45/100).
How competitive is the ninjago keychain niche?
4 brands and 316 sellers compete. The top 5 products take 21% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in ninjago keychain?
Top complaints mined from reviews: Size-Overall, Value For Money, Assembly/Installation. The return rate is 1.2%.
What does it cost to enter the ninjago keychain niche?
Listings span $7.92–$252.16; the average listing price is $32.12 (sweet spot $15–$100). The average incumbent carries 353 reviews — the moat a new listing must climb.