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mastermind

Skip it

Soft demand (-35.2% this quarter) — this niche doesn't clear our bar today.

Market size 27Growth 7Conversion 42Competition 24Returns 83Price range 75Avg price 78Brand share 42Review moat 72Quality gap 78

Returns

Great1.6%

return rate — above 5% kills the launch gate

Quality gap

Great4.3★

avg incumbent rating — lower means beatable quality

Avg price

Great€16.03

avg listing price — sweet spot $15–$100

Price range

Great€8.66–€33.60

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

Review moat

Good635.13

avg incumbent reviews — the moat a new listing must climb

Conversion

Okay3.4%

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

Brand share

Okay80%

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

Market size

Okay€112K

€112K/yr · 208K searches

Competition

Bad72%

top-5 click share — a locked-up shelf

Growth

Bad-35.2%

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

According to Flapen's Amazon Germany niche tracking, mastermind is a €112K/yr Amazon Germany market (208K searches/yr). The top 5 brands hold 80% of demand. Demand peaks in Nov–Dec. Verdict: Skip it — 44/100.

Data updated Jul 17, 2026 · scored weekly · How we score niches

mastermind market data

Units sold / yr
6K–8K
avg 500–750/product
Revenue / yr
€96K–€128K
units × avg price
Conversion rate
3.4%
Avg BSR
#1,049
Page quality
0%
Prime
93%
Sponsored
53%
Out of stock
1.4%
Avg brand age
56 months
Avg seller age
189 days

Competition & brand share

The top 5 products capture 72% of clicks — a locked-up shelf that new listings rarely crack.

Brands

12 rising

Sellers

75

Top-5 brand share

80%

Top 20: 100%

Top-5 click share

72%

Top 20: 100%

Open market

15%

  • Goliath33%
  • Cayro18%
  • LOGOPLAY13%
  • KUNEN10%
  • Engelhart6%
  • GOTHINK5%
  • Open — no brand owns it (6 brands, 15%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -35.2% search growth over the last 90 days.
15K10KSpike '24Holiday '24Spike '25Prime Day '25Black Friday '25Holiday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Nov, Dec · busiest ÷ quietest = 4.7×

Top mastermind search terms

  • mastermind spiel54K/yr
  • mastermind80K/yr
  • master mind13K/yr
  • mastermind spiel original13K/yr
  • code breaker13K/yr
  • superhirn spiel8K/yr
  • master mind spiel original8K/yr
  • mastermind reisespiel5K/yr
  • superhirn5K/yr
  • code breaker spiel5K/yr
All search terms

Top mastermind 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%€11K20%€22K30%€34K40%€45K101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 15 tracked products in this niche — three views at once, no toggling.

What buyers say about mastermind

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

What buyers love

Spaß/Unterhaltungserlebnis57%

“Klasse Spiel”

Qualität insgesamt11%

“Sehr hochwertig”

Geschenk Zweck9%

“Geschenk”

Gesamtgröße7%

“Passt”

Benutzerfreundlichkeit2%

“Einfach gemacht”

Kreativität2%

“Schönes Spiel für Denker”

Farbe2%

“Was buntes für die grauen Zellen”

Quizspiele2%

“Tolles Spiel für Jedermann”

Entwicklungsbedürfnisse2%

“Super für Kinder und Erwachsene”

What buyers complain about

Qualität insgesamt15%

“Schlechte Qualität”

Gesamtgröße13%

“auch die farbigen Pins zu fummelig klein-”

Benutzerfreundlichkeit13%

“Nicht ganz praktisch”

Spaß/Unterhaltungserlebnis11%

“man verliert die Lust am Spielen.”

Farbe7%

“Farben könnten etwas schöner sein”

Aufladen6%

“Wegwerfbatterien wären aber besser als ein Akku zum aufladen”

Materialqualität4%

“Sehr billiges Plastik”

Preis-Leistungs-Verhältnis4%

“Und die Rücksendung ist mit 3,99 Euro kostenpflichtig”

Gewicht schwer4%

“Viel zu schwer für Kinder ab 3”

Dicke4%

“Die Figuren sind in ungleicher Dicke hergestellt”

Top return reasons

Gesamtgröße35%
Defekt Material/Teile13%
Qualität insgesamt9%
Geschenk Zweck6%
Buchse/Anschluss/Stecker5%
beworben Vs Tatsächliches Produkt4%
Benutzerfreundlichkeit3%
Funktionalität insgesamt3%
Produktzustand3%
Materialqualität2%

Common questions

Is mastermind profitable to sell on Amazon Germany?
The niche generates €112K/yr across 15 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -35.2%. Flapen's verdict: Skip it (44/100).
How competitive is the mastermind niche?
12 brands and 75 sellers compete. The top 5 products take 72% of clicks and top 5 brands hold 80% of demand.
What do buyers complain about in mastermind?
Top complaints mined from reviews: Qualität insgesamt, Gesamtgröße, Benutzerfreundlichkeit. The return rate is 1.6%.
When does demand for mastermind peak?
Demand peaks in Nov–Dec; the busiest month runs 4.7× the quietest.
What does it cost to enter the mastermind niche?
Listings span €8.66–€33.60; the average listing price is €16.03 (sweet spot $15–$100). The average incumbent carries 635 reviews — the moat a new listing must climb.