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cranium

Skip it

A concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.

Market size 7Growth 9Conversion 74Competition 0Returns 95Price range 78Avg price 82Brand share 0Review moat 65Quality gap 28

Returns

Incredible0.9%

return rate — above 5% kills the launch gate

Avg price

Great£17.99

avg listing price — sweet spot $15–$100

Price range

Great£12.39–£24.46

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

Conversion

Good6.9%

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

Review moat

Good905

avg incumbent reviews — the moat a new listing must climb

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Growth

Bad-31.2%

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

Market size

Bad£26K

£26K/yr · 21K searches

Competition

Bad100%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United Kingdom niche tracking, cranium is a £26K/yr Amazon United Kingdom market (21K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jan–Dec. Verdict: Skip it — 33/100.

Data updated Jul 29, 2026 · scored weekly · How we score niches

cranium market data

Units sold / yr
2K–2K
avg 250–500/product
Revenue / yr
£27K–£36K
units × avg price
Conversion rate
6.9%
Avg BSR
#2,146
Page quality
0%
Prime
75%
Sponsored
25%
Out of stock
0.0%
Avg brand age
81 months
Avg seller age
191 days

Competition & brand share

The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.

Brands

3 falling

Sellers

78

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

100%

Top 20: 100%

Open market

0%

  • Goliath76%
  • Hasbro Gaming15%
  • FUNKO GAMES9%

Demand & seasonality

Weekly Amazon search volume, last 84 weeks — -31.2% search growth over the last 90 days.
2K2KSpike '25Prime Day '25Black Friday '25Holiday '25Spike '26JanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJunJul

Peak months: Jan, Dec · busiest ÷ quietest = 18.4×

Top cranium 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%20%£5K40%£11K60%£16K80%£21K1001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 4 tracked products in this niche — three views at once, no toggling.

What buyers say about cranium

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

What buyers love

Fun/Entertainment Experience77%

“Family fun”

Gifting Purpose10%

“Bought as a present”

Ease Of Use7%

“Its easy to learn”

Trivia Games7%

“the variety of challenges means it never gets boring”

Top return reasons

Gifting Purpose100%

Common questions

Is cranium profitable to sell on Amazon United Kingdom?
The niche generates £26K/yr across 4 tracked products. 90-day search growth is -31.2%. Flapen's verdict: Skip it (33/100).
How competitive is the cranium niche?
3 brands and 78 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.
When does demand for cranium peak?
Demand peaks in Jan–Dec; the busiest month runs 18.4× the quietest.
What does it cost to enter the cranium niche?
Listings span £12.39–£24.46; the average listing price is £17.99 (sweet spot $15–$100). The average incumbent carries 905 reviews — the moat a new listing must climb.