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planetarium

Skip it

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

Market size 11Growth 14Conversion 19Competition 17Returns 20Price range 95Avg price 93Brand share 0Review moat 52Quality gap 87

Price range

Incredible€24.92–€69.05

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

Avg price

Great€50.44

avg listing price — sweet spot $15–$100

Quality gap

Great4.1★

avg incumbent rating — lower means beatable quality

Review moat

Good1,405.6

avg incumbent reviews — the moat a new listing must climb

Returns

Bad6.4%

return rate — above 5% kills the launch gate

Conversion

Bad1.5%

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

Competition

Bad79%

top-5 click share — a locked-up shelf

Growth

Bad-22.9%

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

Market size

Bad€44K

€44K/yr · 57K searches

Brand share

Bad100%

top-5 brand share — brand-locked demand

According to Flapen's Amazon Germany niche tracking, planetarium is a €44K/yr Amazon Germany market (57K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Nov–Dec. Verdict: Skip it — 31/100.

Data updated Jul 9, 2026 · scored weekly · How we score niches

planetarium market data

Units sold / yr
1K–1K
avg 0–100/product
Revenue / yr
€50K–€63K
units × avg price
Conversion rate
1.5%
Avg BSR
#114
Page quality
0%
Prime
100%
Sponsored
100%
Out of stock
13.3%
Avg brand age
29 months
Avg seller age
217 days

Competition & brand share

The top 5 products capture 79% of clicks — a locked-up shelf that new listings rarely crack.

Brands

3 falling

Sellers

9

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

79%

Top 20: 100%

Open market

0%

  • POCOCO95%
  • Ainael3%
  • Macchiatto3%
  • Open — no brand owns it (0%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -22.9% search growth over the last 90 days.
5K4KPrime Day '24Spike '24Holiday '24Spike '25Prime Day '25Black Friday '25Holiday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Nov, Dec · busiest ÷ quietest = 6.9×

Top planetarium search terms

  • pococo galaxy projector20K/yr
  • pococo19K/yr
  • heimplanetarium8K/yr
  • pococo disc8K/yr
  • space lamp1K/yr
  • pococo galaxy lite projector35/yr
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.

0%10%€4K20%€9K30%€13K40%€18K101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 10 tracked products in this niche — three views at once, no toggling.

What buyers say about planetarium

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

What buyers love

Bild/Bildklarheit14%

“Beeindruckende Bilder”

Qualität insgesamt12%

“sieht auch super aus”

beworben Vs Tatsächliches Produkt11%

“das Produkt ist wie beschrieben”

Preis-Leistungs-Verhältnis10%

“The best in the market. price/performance”

Benutzerfreundlichkeit8%

“ist einfach zu bedienen”

Schlafqualität6%

“Absoluter game changer bei kindern die Einschlafprobleme haben”

Gesamt anzeigen5%

“Ładne widoki”

Farbe4%

“Die Farben sind kräftig”

Stärke2%

“Aber solides Teil”

Geräuschpegel2%

“Wow🤩 Es ist leise hat eine gute Bildqualität ist einfach zu bedienen”

What buyers complain about

Preis-Leistungs-Verhältnis24%

“Schade zu dem Preis”

Qualität insgesamt20%

“die anderen sind nicht sooo überzeugend”

Haltbarkeit10%

“Nach 5 Minuten defekt”

Bild/Bildklarheit7%

“Auch die Bildqualität fand ich nicht so scharf, wie vom Hersteller beschrieben”

Geräuschpegel5%

“quietscht”

beworben Vs Tatsächliches Produkt4%

“Produkt Beschreibung falsch”

Stärke3%

“Der Standfuß ist nicht sonderlich stabil”

Akkulaufzeit3%

“der Akku war nach 2 Monaten nur noch für 5 Minuten zu gebrauchen.”

Audiolautstärke3%

“Das Gerät ist nicht zu hören”

Materialqualität2%

“Die Qualität entspricht eher einem 30€ Produkt, da alles aus Plastik”

Top return reasons

Qualität insgesamt13%
Funktionalität insgesamt12%
beworben Vs Tatsächliches Produkt10%
Preis-Leistungs-Verhältnis9%
Bild/Bildklarheit7%
Defekt Material/Teile7%
Helligkeit/Glanz/Glühen6%
Geräuschpegel6%
Gesamtgröße5%
Stärke3%

Common questions

Is planetarium profitable to sell on Amazon Germany?
The niche generates €44K/yr across 10 tracked products. 1 of 2 products launched in the last 360 days are still selling. 90-day search growth is -22.9%. Flapen's verdict: Skip it (31/100).
How competitive is the planetarium niche?
3 brands and 9 sellers compete. The top 5 products take 79% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in planetarium?
Top complaints mined from reviews: Preis-Leistungs-Verhältnis, Qualität insgesamt, Haltbarkeit. The return rate is 6.4% — above our launch gate.
When does demand for planetarium peak?
Demand peaks in Nov–Dec; the busiest month runs 6.9× the quietest.
What does it cost to enter the planetarium niche?
Listings span €24.92–€69.05; the average listing price is €50.44 (sweet spot $15–$100). The average incumbent carries 1,406 reviews — the moat a new listing must climb.