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One Piece

Fail

Buyers convert on only 0.9% of searches, so One Piece is a Fail.

Flapen Score
49
49 / 100
Top 45% of 2,461 Fashion niches · +1 vs the category median of 48
Market size
£186K/yr1.2M searches / yr
90-day growth
-6.4%search demand this quarter
Competition
29%top-5 click share · 16 brands · 204 sellers

Flapen Score

One Piece against its category

The dotted line is the Fashion average. Past it, One Piece is stronger. Inside it, weaker.

49Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The One Piece market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for One Piece 1.2M times last year and spent an estimated £186K. The top 5 brands take 84% of clicks. Demand peaks in Nov–Dec. Flapen scores it 49 out of 100, a Fail.

01 · Demand

0.9% of searches ended in a purchase last week.

Shoppers searched for this 1.2M times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. In the latest week, 0.9% of those searches ended in a purchase. Searches in the last 90 days moved -6.4% against the 90 days before. Searches, conversion and average price together put the market at an estimated £186K a year.

Searches, last 12 months
1.2M
Growth, 90 days vs prior 90
-6.4%
Conversion, latest week
0.9%
Market size, estimated
£186Ka year
Peak month
December2.8× the quietest month
Top search term
one piece1.0M searches a year

02 · Price

A sale here is worth £16.71.

Listings sell for £16.71 on average, from £4.17 to £175.41. Amazon reports units sold in ranges. This niche sold 15K to 20K a year. The average listing sells 100 to 250 of them. At £16.71 that is £2K to £4K a year per listing.

Average price
£16.71inside the $15 to $100 sweet spot
Price range
£4.17–£175.41
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
15K–20K
Units per listing a year
100–250
Revenue per listing a year
£2K–£4K
Returns
0.7%of orders · Amazon United Kingdom median 0.6%

03 · Entry bar

The bar here is low.

84% of listings pay for placement with sponsored ads. 92% ship with Prime. On an average day, 9.6% of listings are out of stock. The average listing ranks #199 within Boys. It carries 952 reviews at 4.57 stars, so a new listing needs social proof before a better product.

Sponsored listings
84%
Prime listings
92%
Out of stock, average day
9.6%
Average rank
#199in Boys
Average rating
4.57 starsAmazon United Kingdom average 4.36 stars
Average reviews
952per listing
Listings tracked
61

04 · Newcomers

Amazon counts 7 of last year's 18 launches as successful.

18 products launched here in the last 12 months. Amazon counts 7 of them as successful launches, new products that hit its first-year sales bar. The brands on the shelf have sold for 29 months on average, so a newcomer is not facing entrenched names.

Launched, last 12 months
18
Successful launches
7Amazon's first-year sales bar
Average brand age
29 months

Products

Top One Piece products & what they sell for

Every tracked product: its share of the shelf, its reviews, and its price.

Competition

Competition: brands, sellers & click share

The top 5 products take only 29% of clicks. An open shelf where new products get seen.

£0£6K£11K£17K£22K101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

16 falling

Sellers

204

Top-5 brand share

84%

Top 20: 100%

Top-5 click share

29%

Top 20: 66%

Open market

12%

  • One Piece37%
  • Get Trend21%
  • Funko15%
  • Simon & Schuster6%
  • LEGO5%
  • Paladone4%
  • Open — no brand owns it (10 brands, 12%)

Demand

One Piece search demand

Weekly searches over the year, seasonality beneath. Pick a range.

50K30KSpike '24Holiday '24Prime Day '25Spike '25Holiday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Nov, Dec · busiest ÷ quietest = 2.8×

Search terms

Top One Piece search terms shoppers use

The exact words shoppers type, with yearly volume, growth, and conversion.

  • one piece1.0M/yr
  • one piece merch53K/yr
  • one piece anime29K/yr
  • one piece gifts29K/yr
  • one piece merchandise21K/yr
  • one peice15K/yr
  • one piece accessories8K/yr
  • one piec9K/yr
  • one piece gift8K/yr
  • onepiece8K/yr

Reviews and returns

What reviews say buyers love and hate about One Piece

What buyers praise, what they complain about and why they send it back, from the reviews.

Complain

Quality-Overall14%−0.03

Nice cup, terrible quality

Poor quality

I felt it was a little cheaply made for the price

Size-Overall11%+0.65

Its definitely smaller than I thought

Size down

Too large

Value For Money9%−0.01

a little expensive

Not impressed for the price

for the price they are not the best for showing off

Durability8%−0.02

It broke in 2 weeks

Wasn't long before they started acquiring small holes

Falling apart after 2 weeks

Assembly/Installation5%+0.24

Tiny pieces built together

It does require a bit of setup

Love

Quality-Overall23%−0.03

Decent quality

Solid build quality

The quality feels solid

Value For Money12%−0.01

Good price

Good value for money

Worth the money

Gifting Purpose12%+0.99

Fun gift

Great gift

Very good for a present

Design-Overall7%+0.46

Cool design

A good fun build, Found it quite easy, Looks amazing

Really enjoyable build

Fun/Entertainment Experience7%+0.61

Fun to build

Child is delighted

So much fun

Return

0.7% Return rate 28% Fixable by listing

Size-Overall20%▆▅▃███

Its definitely smaller than I thought

Size down

Too large

Defective Material/Parts12%█▁▄▆▄█
Quality-Overall9%▁▁▄█▆▅

Nice cup, terrible quality

Poor quality

I felt it was a little cheaply made for the price

Gifting Purpose8%▆▇█▅▂▃
Functionality-Overall5%▆▅█▃▁▄

FAQ

Common One Piece questions

Answered from the same tracked data.