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jellyfish lamp

Worth a look

Shows beatable incumbent ratings (4.0★), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 21Growth 15Conversion 23Competition 69Returns 80Price range 77Avg price 77Brand share 87Review moat 94Quality gap 95

Quality gap

Incredible4.0★

avg incumbent rating — lower means beatable quality

Review moat

Great117.74

avg incumbent reviews — the moat a new listing must climb

Brand share

Great48%

top-5 brand share — no brand owns this niche

Returns

Great1.8%

return rate — above 5% kills the launch gate

Avg price

Great£15.75

avg listing price — sweet spot $15–$100

Price range

Great£3.39–£55.38

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

Competition

Good44%

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

Conversion

Bad1.8%

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

Market size

Bad£83K

£83K/yr · 291K searches

Growth

Bad-20.1%

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

According to Flapen's Amazon United Kingdom niche tracking, jellyfish lamp is a £83K/yr Amazon United Kingdom market (291K searches/yr). The top 5 brands hold 48% of demand. Demand peaks in Oct–Nov–Dec. Verdict: Worth a look — 57/100.

Data updated Jul 28, 2026 · scored weekly · How we score niches

jellyfish lamp market data

Units sold / yr
6K–8K
avg 100–250/product
Revenue / yr
£95K–£126K
units × avg price
Conversion rate
1.8%
Avg BSR
#421
Page quality
0%
Prime
98%
Sponsored
81%
Out of stock
24.0%
Avg brand age
20 months
Avg seller age
183 days

Competition & brand share

The top 5 products take 44% of clicks — established leaders, but buyers still shop beyond them.

Brands

38 rising

Sellers

50

Top-5 brand share

48%

Top 20: 85%

Top-5 click share

44%

Top 20: 80%

Open market

47%

  • Eyesound14%
  • Vibbang13%
  • M METERXITY7%
  • COLORLIFE7%
  • Eummy7%
  • RED55%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -20.1% search growth over the last 90 days.
23K18KSpike '24Holiday '24Spike '25Holiday '25SepDecMarJunAugNovMarMay

Peak months: Oct, Nov, Dec · busiest ÷ quietest = 7.3×

Top jellyfish lamp search terms

  • jellyfish lamp128K/yr
  • jellyfish41K/yr
  • jelly fish13K/yr
  • jelly fish light lamp34K/yr
  • jelly fish lamp22K/yr
  • jellyfish light13K/yr
  • jellyfish tank10K/yr
  • octopus lamp7K/yr
  • jellyfish lava lamp14K/yr
  • jelly fish tank4K/yr
All search terms

Top jellyfish lamp 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%4%£3K8%£7K12%£10K16%£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 jellyfish lamp

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

What buyers love

Brightness/Shine/Glow24%

“the light itself is soft”

Color11%

“The colours are bright”

Quality-Overall10%

“We think it's well made”

Fun/Entertainment Experience7%

“Fun Realistic Toy”

Design-Overall6%

“Great for crafting”

Noise Level6%

“The water pump is quiet”

Assembly/Installation4%

“Easy to set up”

Size-Overall3%

“It is a good size too, not tiny and not massive and the black design fits in without looking childish”

Sleep Quality3%

“Calming glow for bedtime nerves”

Value For Money3%

“Affordable”

What buyers complain about

Quality-Overall9%

“Poor quality build. bought for a present and never worked. charging port wasnt in right place. very disappointed.”

Functionality-Overall9%

“Didn't Work”

Size-Overall9%

“Was very disappointed with the sizeof them not worth the money”

Noise Level8%

“Noisy”

Durability8%

“Broke really quickly”

Value For Money6%

“For £60 seemed a bit excessive for what I actually saw”

Remote Control5%

“No remote control”

Battery Life4%

“1 battery exploded after the first use”

Leak-Proof4%

“It Leaks”

Advertised Vs Actual Product3%

“IT DOES NOT DO WHAT IT IS SUPPOSED TO DO”

Top return reasons

Functionality-Overall15%
Defective Material/Parts10%
Quality-Overall8%
Remote Control8%
Leak-Proof7%
Size-Overall7%
Durability7%
Noise Level7%
Touch/Button Controls5%
Charging3%

Common questions

Is jellyfish lamp profitable to sell on Amazon United Kingdom?
The niche generates £83K/yr across 42 tracked products. 1 of 16 products launched in the last 360 days are still selling. 90-day search growth is -20.1%. Flapen's verdict: Worth a look (57/100).
How competitive is the jellyfish lamp niche?
38 brands and 50 sellers compete. The top 5 products take 44% of clicks and top 5 brands hold 48% of demand.
What do buyers complain about in jellyfish lamp?
Top complaints mined from reviews: Quality-Overall, Functionality-Overall, Size-Overall. The return rate is 1.8%.
When does demand for jellyfish lamp peak?
Demand peaks in Oct–Nov–Dec; the busiest month runs 7.3× the quietest.
What does it cost to enter the jellyfish lamp niche?
Listings span £3.39–£55.38; the average listing price is £15.75 (sweet spot $15–$100). The average incumbent carries 118 reviews — the moat a new listing must climb.