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Kerplunk

a concentrated shelf (top 5 take 93% of clicks) — Kerplunk doesn't clear our bar today.

Flapen Score

34
Skip it
Market size 18Growth 15Conversion 52Competition 6Returns 91Price range 50Avg price 49Brand share 13Review moat 22Quality gap 67
This niche Category average

Is Kerplunk profitable on Amazon?

According to Flapen's Amazon United Kingdom niche tracking, Kerplunk is a £70K/yr Amazon United Kingdom market (140K searches/yr). The top 5 brands hold 95% of demand. Demand peaks in Nov–Dec. Verdict: Skip it — 34/100.

Kerplunk: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Not really. Search demand moved -20.5% over the last 90 days and 4.2% of searches end in a purchase.

£70K

revenue / yr

Units sold / yr10K
Search volume / yr-20.5%140K
Conversion rate4.2%
Avg price£11.90

Who owns the niche?

The top 5 brands hold 95% of demand, so 5% of the market is open.

5%

open market share

Brands · sellers7 · 58
Top-5 product click share93%
Open market5%
Avg brand age50 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.3★ — the gap to enter on.

0/100

page quality · 8 products

Sponsored placement88%
New entrants (1y)2· 0 succeeded
Avg rating4.3★
Avg reviews10,371

Top Kerplunk products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

Competition: brands, sellers & click share

The top 5 products capture 93% of clicks — a locked-up shelf that new listings rarely crack.

£0£7K£14K£21K£28K1001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

7 rising

Sellers

58

Top-5 brand share

95%

Top 20: 100%

Top-5 click share

93%

Top 20: 100%

Open market

2%

  • Toyrific42%
  • Juegos Mattel36%
  • Cheerful Children Toys10%
  • TOMY4%
  • Montrix4%
  • Mistep3%
  • Open — no brand owns it (1 brand, 2%)

Kerplunk demand & seasonality

Weekly search volume, with the niche's key stats alongside.

Volume140KCVR4.2%Products8Brands7Top 5 Brands95%OOS Rate0.0%Rating4.3★Reviews10,371Avg BSR#117
15K10KSpike '24Holiday '24Spike '25Prime Day '25Black Friday '25Holiday '25SepDecMarJunAugNovMarMay

Peak months: Nov, Dec · busiest ÷ quietest = 10.9×

Top Kerplunk search terms shoppers use

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

  • kerplunk78K/yr
  • kerplunk game for kids33K/yr
  • ker plunk8K/yr
  • kerplunk game9K/yr
  • kerplunk game original7K/yr
  • ker plunk game5K/yr

What reviews say buyers love and hate about Kerplunk

What buyers mention most, as a share of all reviews.

What buyers love

90% of reviews
Fun/Entertainment Experience39%

Fun game

Value For Money13%

worth the price

Quality-Overall13%

Good quality

Advertised Vs Actual Product6%

As advertised

Strength5%

It's sturdy

What buyers complain about

80% of reviews
Quality-Overall19%

poor quality too as some broke

Strength11%

flimsy

Functionality-Overall10%

Just wont pop up

Fun/Entertainment Experience8%

it wasn't that much fun

Adhesion/Stickiness8%

Darts won't stick

Kerplunk return rate & reasons

Why buyers send it back, as a share of all return requests.

1.2%

Return rate

6%

Fixable by listing

The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.

1Functionality-Overall
45%
2Gifting Purpose
10%
3Quality-Overall
10%
4Defective Material/Parts
9%
5Size-Overall
5%

Common Kerplunk questions

The questions sellers ask about this niche, answered from the tracked metrics.

Flapen scores Kerplunk 34/100 on Amazon United Kingdom — Skip it. The niche generates £70K/yr across 8 tracked products. 0 of 2 products launched in the last 360 days are still selling. Search demand moved -20.5% over the last 90 days.
Search demand for Kerplunk on Amazon United Kingdom peaks in Nov–Dec, where the busiest month runs 10.9× the quietest.