Is mermaid night light profitable to sell on Amazon United States?

The niche generates $21K/yr across 60 tracked products. 4 of 22 products launched in the last 360 days are still selling. 90-day search growth is +8.2%. Flapen's verdict: Worth a look (57/100).

How competitive is the mermaid night light niche?

54 brands and 62 sellers compete. The top 5 products take 31% of clicks and top 5 brands hold 31% of demand.

What do buyers complain about in mermaid night light?

Top complaints mined from reviews: Durability, Size-Overall, Brightness/Shine/Glow. The return rate is 2.1%.

When does demand for mermaid night light peak?

Demand peaks in Dec; the busiest month runs 1.8× the quietest.

What does it cost to enter the mermaid night light niche?

Listings span $8.56–$37.00; the average listing price is $17.09 (sweet spot $15–$100). The average incumbent carries 776 reviews — the moat a new listing must climb.

mermaid night light

Worth a look

Shows no brand lock-in (top 5 brands take 31% of clicks), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Brand share

Incredible31%

top-5 brand share — no brand owns this niche

Competition

Great31%

top-5 click share — an open shelf

Avg price

Great$17.09

avg listing price — sweet spot $15–$100

Quality gap

Great4.3★

avg incumbent rating — lower means beatable quality

Price range

Great$8.56–$37.00

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

Returns

Good2.1%

return rate — above 5% kills the launch gate

Review moat

Good775.9

avg incumbent reviews — the moat a new listing must climb

Growth

Okay+8.2%

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

Conversion

Okay2.3%

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

Market size

Bad$21K

$21K/yr · 56K searches

Signals No Dominant Brand

According to Flapen's Amazon United States niche tracking, mermaid night light is a $21K/yr Amazon United States market (56K searches/yr). The top 5 brands hold 31% of demand. Demand peaks in Dec. Verdict: Worth a look — 57/100.

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

mermaid night light market data

Units sold / yr: 2K–2K; avg 0–100/product
Revenue / yr: $26K–$34K; units × avg price
Conversion rate: 2.3%
Avg BSR: #1,758
Page quality: 0%
Prime: 90%
Sponsored: 85%
Out of stock: 11.7%
Avg brand age: 34 months
Avg seller age: 176 days

Competition & brand share

Clicks spread well past the top 5 (31% combined) — an open shelf where new products get seen.

Brands

54 rising

Sellers

Top-5 brand share

31%

Top 20: 73%

Top-5 click share

31%

Top 20: 69%

Open market

64%

LKUA8%
i-CHONY7%
Axxitude6%
PIKOY6%
Generic5%
EFINLUKY4%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +8.2% search growth over the last 90 days.

Peak months: Dec · busiest ÷ quietest = 1.8×

Open Trend

Top mermaid night light search terms

mermaid night light25K/yr +9.1%2.9% conv.
mermaid light14K/yr -5.1%1.4% conv.
mermaid lights6K/yr +31.3%0.9% conv.
mermaid nightlight4K/yr +9.0%3.1% conv.
little mermaid night light3K/yr +5.8%2.7% conv.
mermaid lights for girls room2K/yr +28.2%1.8% conv.
mermaid night light for girls2K/yr +13.0%4.1% conv.

All search terms

Top mermaid night light 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

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

Top sellers

by 90-day click share

LKUA Shell Pearl Beach Themed Night Light RGB 8 Colors Changing Mood Shell Pearl Lamps Bedside LED Clamshell Portable Night Lights for Bar (White)

LKUA$25.834.5★974 rev

i-CHONY Mermaid Gifts Night Light for Girls 3D Illusion Lamp with Remote & Smart Touch 16 Colors Dimmable Bedroom Decorations Bedside Lamp Mermaid Toys for Kids Girls Teens Birthday Gift

i-CHONY$13.894.4★112 rev

Little Mermaid Toys 15 Soothing Sounds+18 Films+378 Colors Kids Night Light Projector 360+Remote+Cordless+Pink Mermaid Birthday Gifts for Girls Princess Toys Princess Room Decor[Dreamy Packaging]

PIKOY$37.004.4★61 rev

Axxitude Pink Mermaid Fish Scales Night Lights Plug into Wall for Girls Boys Room Night Light LED Lamp Dusk to Dawn Sensor Round Lamp for Bedroom Bathroom Hallway Home Wall Decor

Axxitude$12.594.6★212 rev

Mermaid Wall Light Vintage Battery Powered Wireless Night Light Elegant Tail Design Soft Glow for Bedroom Hotel Restaurant Decor Fantasy Theme Christmas Gift

Generic$16.013.1★3 rev

Newest

by launch date

Mermaid Wall Light Vintage Battery Powered Wireless Night Light Elegant Tail Design Soft Glow for Bedroom Hotel Restaurant Decor Fantasy Theme Christmas Gift

Generic$16.013 rev

5mo ago

ICRICR Cute Mermaid Tail Night Lights Plug Into Wall Seashell Dusk to Dawn Light Sensor Night Light for Kids Energy Efficient Sleep Friendly Lamp for Bedroom Bathroom Nursery

ICRICR$12.7913 rev

6mo ago

Little Mermaid Toys 15 Soothing Sounds+18 Films+378 Colors Kids Night Light Projector 360+Remote+Cordless+Pink Mermaid Birthday Gifts for Girls Princess Toys Princess Room Decor[Dreamy Packaging]

PIKOY$37.0061 rev

7mo ago

SKYDAWNY Mermaid Night Light Plug Into Wall Decor Nightlights for Bedroom Bathroom Hallway Stairway Kitchen with Dusk to Dawn Light Auto Sensors Led Night Lights Room Gifts

SKYDAWNY$12.7520 rev

9mo ago

SKYDAWNY Beautiful Mermaid Night Light Plug Into Wall Decor Nightlights for Bedroom Bathroom Hallway Stairway Kitchen with Dusk to Dawn Light Auto Sensors Led Night Lights Room Gifts

SKYDAWNY$13.0011 rev

9mo ago

What buyers say about mermaid night light

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

What buyers love

Brightness/Shine/Glow23%

“Shine bright”

Color12%

“Attractive colors”

Value For Money7%

“Great value for the money”

Quality-Overall7%

“Very well made, her size is perfect for the deck and not heavy”

Gifting Purpose6%

“Great gift choice”

Night Vision5%

“Perfect rechargeable nightlight”

Design-Overall3%

“the design is super cute”

Advertised Vs Actual Product3%

“As advertised”

Remote Control3%

“Remote is great”

Sleep Quality3%

“Great for young children to calm them to sleep”

What buyers complain about

Durability23%

“Comes apart”

Size-Overall7%

“This shell is rather large”

Brightness/Shine/Glow6%

“Not as bright as displayed”

Quality-Overall6%

“Straight garbage”

Charging6%

“Wont turn on if charged and plugged in”

Functionality-Overall6%

“Doesn't work correctly”

Noise Level5%

“while it made a little noise”

Advertised Vs Actual Product4%

“Nothing like the picture”

Battery Life3%

“Doesnt hold battery to long since I dont turn it off”

Value For Money3%

“For $15 it was not worth the money”

Top return reasons

Brightness/Shine/Glow15%

Size-Overall12%

Functionality-Overall11%

Advertised Vs Actual Product10%

Charging9%

Defective Material/Parts6%

Quality-Overall5%

Bulb Flicker/Dimming/Color5%

Value For Money4%

Color3%

Common questions

Is mermaid night light profitable to sell on Amazon United States?: The niche generates $21K/yr across 60 tracked products. 4 of 22 products launched in the last 360 days are still selling. 90-day search growth is +8.2%. Flapen's verdict: Worth a look (57/100).
How competitive is the mermaid night light niche?: 54 brands and 62 sellers compete. The top 5 products take 31% of clicks and top 5 brands hold 31% of demand.
What do buyers complain about in mermaid night light?: Top complaints mined from reviews: Durability, Size-Overall, Brightness/Shine/Glow. The return rate is 2.1%.
When does demand for mermaid night light peak?: Demand peaks in Dec; the busiest month runs 1.8× the quietest.
What does it cost to enter the mermaid night light niche?: Listings span $8.56–$37.00; the average listing price is $17.09 (sweet spot $15–$100). The average incumbent carries 776 reviews — the moat a new listing must climb.