Is planetarium profitable to sell on Amazon United States?

The niche generates $417K/yr across 26 tracked products. 8 of 9 products launched in the last 360 days are still selling. 90-day search growth is +15.8%. Flapen's verdict: Worth a look (50/100).

How competitive is the planetarium niche?

20 brands and 42 sellers compete. The top 5 products take 59% of clicks and top 5 brands hold 70% of demand.

What do buyers complain about in planetarium?

Top complaints mined from reviews: Durability, Quality-Overall, Value For Money. The return rate is 4.1%.

When does demand for planetarium peak?

Demand peaks in Nov–Dec; the busiest month runs 3.0× the quietest.

What does it cost to enter the planetarium niche?

Listings span $17.06–$253.50; the average listing price is $71.15 (sweet spot $15–$100). The average incumbent carries 1,870 reviews — the moat a new listing must climb.

planetarium

Worth a look

Shows a sweet-spot price point ($71.15 avg), but weak search conversion (1.7%) keeps it on the watch list.

Avg price

Great$71.15

avg listing price — sweet spot $15–$100

Quality gap

Great4.2★

avg incumbent rating — lower means beatable quality

Brand share

Good70%

top-5 brand share — brands hold most of the demand

Market size

Good$417K

$417K/yr · 338K searches

Review moat

Okay1,870.27

avg incumbent reviews — the moat a new listing must climb

Growth

Okay+15.8%

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

Competition

Okay59%

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

Returns

Okay4.1%

return rate — above 5% kills the launch gate

Price range

Okay$17.06–$253.50

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

Conversion

Bad1.7%

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

Signals High Price

According to Flapen's Amazon United States niche tracking, planetarium is a $417K/yr Amazon United States market (338K searches/yr). The top 5 brands hold 70% of demand. Demand peaks in Nov–Dec. Verdict: Worth a look — 50/100.

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

planetarium market data

Units sold / yr: 6K–8K; avg 250–500/product
Revenue / yr: $427K–$569K; units × avg price
Conversion rate: 1.7%
Avg BSR: #618
Page quality: 0%
Prime: 96%
Sponsored: 100%
Out of stock: 0.0%
Avg brand age: 33 months
Avg seller age: 166 days

Competition & brand share

The top 5 products take 59% of clicks — established leaders, but buyers still shop beyond them.

Brands

20 falling

Sellers

Top-5 brand share

70%

Top 20: 100%

Top-5 click share

59%

Top 20: 94%

Open market

27%

FlyLily34%
Fussion14%
MuliVid12%
Rossetta6%
FlyEagle4%
Ainael4%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +15.8% search growth over the last 90 days.

Peak months: Nov, Dec · busiest ÷ quietest = 3.0×

Open Trend

Top planetarium search terms

planetarium projector206K/yr +25.2%1.6% conv.
planetarium44K/yr -2.7%0.6% conv.
planetarium projector for kids20K/yr +2.8%2.8% conv.
home planetarium14K/yr -21.9%0.8% conv.
home planetarium projector11K/yr +12.8%1.0% conv.
planetarium projector for adults12K/yr -0.8%0.7% conv.
shooting star projector12K/yr -1.5%0.4% conv.
milky way projector4K/yr +22.6%0.6% conv.
planetary projector5K/yr +51.9%1.9% conv.
planetarium galaxy projector4K/yr +11.8%0.4% conv.

All search terms

Top planetarium 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

Galaxy Projector Night Light for Bedroom 13-in-1 Planetarium Projector

Fussion$30.634.3★3,196 rev

FlyLily Galaxy Projector for Bedroom 13 in 1 Planetarium Star Projector with Solar System & Constellation 360 Rotating Galaxy Light Projector Space Night Light Projector for Kids Adults Gifts

FlyLily$42.934.4★248 rev

Galaxy Projector for Bedroom 13 in 1 Planetarium Star Projector with Solar System & Constellation 360 Rotating Galaxy Light Projector Space Night Light Projector for Kids Adults Gifts

FlyLily$46.804.4★133 rev

Galaxy Projector Pro for Bedroom 13 in 1 Planetarium Star Projector with Solar System & Constellation Night Light for Ceiling - 360 Rotating with Timer Adjustable Knob Kids Adults Room Decor

MuliVid$30.284.4★805 rev

FlyLily Galaxy Projector 12 in 1 HD Planetarium Astronaut Galaxy Projector for Bedroom Galaxy Star Night Light Projector for Kids Adults Gaming Room/Party/Home Dcor

FlyLily$37.194.4★1,140 rev

Newest

by launch date

Musqua Galaxy Projector & White Noise Machine with 28 Sounds Sleep Timer Memory Function. Starry Sky Night Light Planetarium Projector Perfect for Relaxation Teaching Meditation and Kids Bedtime

Musqua$39.6927 rev

6mo ago

Jioote Planetarium 3D Galaxy Projector Built-in 60 Scene Modes with Bluetooth Speaker & Remote Control Star Projector Light for Living Room Bedroom forr Gifts for Kids AdultWhite

Jioote$135.0368 rev

9mo ago

60-in-1 Galaxy Projector HD Home Planetarium Projector with Built-in Non-Fading Scenes 3D Star Light Projector for Bedroom Twinkling Star & Meteor Bluetooth Speaker & White Noise Birthday Gifts

Rovmiment$136.98124 rev

10mo ago

Govee Galaxy Light Star Projector 2 Pro 4 Megapixel HD Lens Night Light

Govee$162.18252 rev

11mo ago

FlyLily Galaxy Projector for Bedroom 13 in 1 Planetarium Star Projector with Solar System & Constellation 360 Rotating Galaxy Light Projector Space Night Light Projector for Kids Adults Gifts

FlyLily$42.93248 rev

11mo ago

What buyers say about planetarium

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

What buyers love

Quality-Overall14%

“The build quality is solid”

Brightness/Shine/Glow13%

“Very bright”

Value For Money11%

“Great value”

Image/Picture Clarity8%

“Amazing picture quality at this price”

Color7%

“Amazing colors”

Advertised Vs Actual Product5%

“As advertised”

Gifting Purpose5%

“Cool gift”

Ease Of Use5%

“Easy to use”

Sleep Quality4%

“Helps me fall asleep”

Night Vision2%

“Built in night light is a bonus”

What buyers complain about

Durability12%

“Broke after a few weeks”

Quality-Overall10%

“Bad quality”

Value For Money9%

“way overpriced for what you get”

Brightness/Shine/Glow9%

“Not as bright as hoped”

Advertised Vs Actual Product6%

“Inaccurate description”

Image/Picture Clarity6%

“Picture quality not that great”

Functionality-Overall6%

“Never worked”

Color3%

“Colors fade after some time”

Charging2%

“Doesnt charge”

Connectivity-Overall2%

“then connection randomly got faulty”

Top return reasons

Advertised Vs Actual Product16%

Functionality-Overall15%

Brightness/Shine/Glow13%

Image/Picture Clarity12%

Quality-Overall5%

Size-Overall5%

Defective Material/Parts5%

Value For Money4%

Display-Overall2%

Color2%

Common questions

Is planetarium profitable to sell on Amazon United States?: The niche generates $417K/yr across 26 tracked products. 8 of 9 products launched in the last 360 days are still selling. 90-day search growth is +15.8%. Flapen's verdict: Worth a look (50/100).
How competitive is the planetarium niche?: 20 brands and 42 sellers compete. The top 5 products take 59% of clicks and top 5 brands hold 70% of demand.
What do buyers complain about in planetarium?: Top complaints mined from reviews: Durability, Quality-Overall, Value For Money. The return rate is 4.1%.
When does demand for planetarium peak?: Demand peaks in Nov–Dec; the busiest month runs 3.0× the quietest.
What does it cost to enter the planetarium niche?: Listings span $17.06–$253.50; the average listing price is $71.15 (sweet spot $15–$100). The average incumbent carries 1,870 reviews — the moat a new listing must climb.