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one piece card game

Skip it

Soft demand (-30.3% this quarter) — this niche doesn't clear our bar today.

Market size 35Growth 10Conversion 11Competition 44Returns 97Price range 41Avg price 95Brand share 15Review moat 93Quality gap 86

Returns

Incredible0.5%

return rate — above 5% kills the launch gate

Avg price

Incredible£37.37

avg listing price — sweet spot $15–$100

Review moat

Great131.04

avg incumbent reviews — the moat a new listing must climb

Quality gap

Great4.1★

avg incumbent rating — lower means beatable quality

Competition

Okay59%

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

Price range

Okay£7.92–£212.94

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

Market size

Okay£170K

£170K/yr · 505K searches

Brand share

Bad94%

top-5 brand share — brand-locked demand

Conversion

Bad0.9%

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

Growth

Bad-30.3%

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

According to Flapen's Amazon United Kingdom niche tracking, one piece card game is a £170K/yr Amazon United Kingdom market (505K searches/yr). The top 5 brands hold 94% of demand. Demand peaks in Jan. Verdict: Skip it — 46/100.

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

one piece card game market data

Units sold / yr
6K–8K
avg 100–250/product
Revenue / yr
£224K–£299K
units × avg price
Conversion rate
0.9%
Avg BSR
#456
Page quality
0%
Prime
79%
Sponsored
25%
Out of stock
26.6%
Avg brand age
32 months
Avg seller age
181 days

Competition & brand share

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

Brands

9 rising

Sellers

59

Top-5 brand share

94%

Top 20: 100%

Top-5 click share

59%

Top 20: 94%

Open market

4%

  • BANDAI76%
  • HeartGlobal6%
  • Generic5%
  • One Piece4%
  • Mysterial3%
  • Top Trumps2%
  • Open — no brand owns it (3 brands, 4%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -30.3% search growth over the last 90 days.
15K10KSpike '24Holiday '24Prime Day '25Spike '25Black Friday '25Holiday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jan · busiest ÷ quietest = 2.2×

Top one piece card game search terms

  • one piece cards156K/yr
  • one piece tcg164K/yr
  • one piece booster box49K/yr
  • one piece card game52K/yr
  • one piece trading cards17K/yr
  • one piece card10K/yr
  • one piece tcg english12K/yr
  • one piece cards english8K/yr
  • one piece booster box english8K/yr
  • one piece tcg booster box11K/yr
All search terms

Top one piece card game 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%£17K20%£34K30%£51K40%£68K1101001K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted

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

What buyers say about one piece card game

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

What buyers love

Collectibles19%

“Got great cards”

Gifting Purpose15%

“Perfect One Piece Gift”

Value For Money14%

“Value for money”

Fun/Entertainment Experience12%

“Fun game you can play for hours”

Advertised Vs Actual Product10%

“Came as described”

Size-Overall8%

“Good fit good quality very nice”

Suitability Beginner8%

“Ok for beginners”

Strength8%

“Reliable and trustworthy—highly recommend”

Quality-Overall6%

“great quality”

What buyers complain about

Quality-Overall50%

“Not the best”

Value For Money25%

“Given the price I paid this is extremely disappointing”

Advertised Vs Actual Product25%

“Misleading listing”

Top return reasons

Advertised Vs Actual Product44%
Product Condition25%
Defective Material/Parts13%
Gifting Purpose13%
Size-Overall6%

Common questions

Is one piece card game profitable to sell on Amazon United Kingdom?
The niche generates £170K/yr across 24 tracked products. 5 of 16 products launched in the last 360 days are still selling. 90-day search growth is -30.3%. Flapen's verdict: Skip it (46/100).
How competitive is the one piece card game niche?
9 brands and 59 sellers compete. The top 5 products take 59% of clicks and top 5 brands hold 94% of demand.
What do buyers complain about in one piece card game?
Top complaints mined from reviews: Quality-Overall, Value For Money, Advertised Vs Actual Product. The return rate is 0.5%.
When does demand for one piece card game peak?
Demand peaks in Jan; the busiest month runs 2.2× the quietest.
What does it cost to enter the one piece card game niche?
Listings span £7.92–£212.94; the average listing price is £37.37 (sweet spot $15–$100). The average incumbent carries 131 reviews — the moat a new listing must climb.