---
title: "Kerplunk — £70K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/toys-games/kerplunk"
last_updated: "2026-07-31T22:24:36.163Z"
locale: en
meta:
  description: "Niche score 34/100 · £70K/yr market · 140K searches/yr · £11.90 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 34/100 · £70K/yr market · 140K searches/yr · £11.90 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Kerplunk — £70K/yr Amazon UK Niche (2026) - Flapen"
---

# **kerplunk**

**Skip it**

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

Market size 18Growth 15Conversion 52Competition 6Returns 91Price range 50Avg price 49Brand share 13Review moat 22Quality gap 67

**Returns**

**Great****1.2%**

return rate — above 5% kills the launch gate

**Quality gap**

**Good****4.3★**

avg incumbent rating — lower means beatable quality

**Conversion**

**Good****4.2%**

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

**Price range**

**Good****£5.17–£24.70**

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

**Avg price**

**Okay****£11.90**

avg listing price — sweet spot $15–$100

**Review moat**

**Bad****10,370.5**

avg incumbent reviews — the moat a new listing must climb

**Market size**

**Bad****£70K**

£70K/yr · 140K searches

**Growth**

**Bad****-20.5%**

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

**Brand share**

**Bad****95%**

top-5 brand share — brand-locked demand

**Competition**

**Bad****93%**

top-5 click share — a locked-up shelf

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.

Data updated Jul 29, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **kerplunk market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**8K–10K**</dd><dd>avg 1,250–1,500/product</dd>

<dt>**Revenue / yr**</dt><dd>**£95K–£119K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**4.2%**</dd>

<dt>**Avg BSR**</dt><dd>**#117**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**100%**</dd>

<dt>**Sponsored**</dt><dd>**88%**</dd>

<dt>**Out of stock**</dt><dd>**0.0%**</dd>

<dt>**Avg brand age**</dt><dd>**50 months**</dd>

<dt>**Avg seller age**</dt><dd>**180 days**</dd>

</dl>

## **Competition & brand share**

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

**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%)

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — -20.5% search growth over the last 90 days.

15K10KSpike '24Holiday '24Spike '25Prime Day '25Black Friday '25Holiday '25 seasonSepDecMarJunAugNovMarMay

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

[**Open Trend **](https://flapen.com/research/uk/toys-games/kerplunk/trend)

## **Top kerplunk search terms**

- **kerplunk**78K/yr-17.6%3.4% conv. - **kerplunk game for kids**33K/yr-7.2%3.7% conv. - **ker plunk**8K/yr-25.6%2.2% conv. - **kerplunk game**9K/yr-12.7%2.4% conv. - **kerplunk game original**7K/yr-67.2%4.8% conv. - **ker plunk game**5K/yr-50.1%5.9% conv. [**All search terms **](https://flapen.com/research/uk/toys-games/kerplunk/search-terms)

## **Top kerplunk 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%£7K20%£14K30%£21K40%£28K1001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 8 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Toyrific | Marble Mayhem Toy Traditional Educational Family Game with 30 Marbles and Balancing Sticks for Kids Boys and Girls Ages 3+](https://m.media-amazon.com/images/I/510Bd2MOVvL.jpg)**Toyrific | Marble Mayhem Toy Traditional Educational Family Game with 30 Marbles and Balancing Sticks for Kids Boys and Girls Ages 3+**Toyrific**£7.93**4.0★1,671 rev](https://www.amazon.co.uk/dp/B002VE5D3C) [2![Mattel Ker Plunk Game](https://m.media-amazon.com/images/I/51k76UBkl+L.jpg)**Mattel Ker Plunk Game**Juegos Mattel**£24.70**4.5★17,281 rev](https://www.amazon.co.uk/dp/B0000205X3) [3![Cheerful Children Toys Jumbo Kids Dart Board Set (Dinosaur-2 73cm)](https://m.media-amazon.com/images/I/51427eeIMyL.jpg)**Cheerful Children Toys Jumbo Kids Dart Board Set (Dinosaur-2 73cm)**Cheerful Children Toys**£8.56**4.6★209 rev](https://www.amazon.co.uk/dp/B0FBS72Q8X) [4![TOMY Pop Up Pirate Classic Childrens Action Board Game Family and Preschool Kids Game for Children 4 5 6 7 8 Year Old Boys Girls Adults Packaging may vary Wood - Choc Brown](https://m.media-amazon.com/images/I/51e6AXGuDTL.jpg)**TOMY Pop Up Pirate Classic Childrens Action Board Game Family and Preschool Kids Game for Children 4 5 6 7 8 Year Old Boys Girls Adults Packaging may vary Wood - Choc Brown**TOMY**£7.63**4.5★59,834 rev](https://www.amazon.co.uk/dp/B00000JICB) [5![Montessori Game Wooden Board Games 48 Colorful Sticks Kids Games with 12 Balls Educational Toys for 3 4 5 6 Year Old Math Learning & Fine Motor Skills Toy Family Travel Game Gifts for Boys Girls](https://m.media-amazon.com/images/I/51ougddNSZL.jpg)**Montessori Game Wooden Board Games 48 Colorful Sticks Kids Games with 12 Balls Educational Toys for 3 4 5 6 Year Old Math Learning & Fine Motor Skills Toy Family Travel Game Gifts for Boys Girls**Montrix**£15.73**4.4★113 rev](https://www.amazon.co.uk/dp/B0FC2D995N)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Montessori Game Wooden Board Games 48 Colorful Sticks Kids Games with 12 Balls Educational Toys for 3 4 5 6 Year Old Math Learning & Fine Motor Skills Toy Family Travel Game Gifts for Boys Girls](https://m.media-amazon.com/images/I/51ougddNSZL.jpg)**Montessori Game Wooden Board Games 48 Colorful Sticks Kids Games with 12 Balls Educational Toys for 3 4 5 6 Year Old Math Learning & Fine Motor Skills Toy Family Travel Game Gifts for Boys Girls**Montrix**£15.73**113 rev6mo ago](https://www.amazon.co.uk/dp/B0FC2D995N) [![Cheerful Children Toys Jumbo Kids Dart Board Set (Dinosaur-2 73cm)](https://m.media-amazon.com/images/I/51427eeIMyL.jpg)**Cheerful Children Toys Jumbo Kids Dart Board Set (Dinosaur-2 73cm)**Cheerful Children Toys**£8.56**209 rev11mo ago](https://www.amazon.co.uk/dp/B0FBS72Q8X) [![Montessori Game Wooden Board Games 42 Colorful Wooden Sticks Dice Games Math Educational Toys for 3 4 5 6 Years Old Fine Motor Skills & Counting Toy Family Travel Game for Kids Gifts](https://m.media-amazon.com/images/I/51NTE+nESYL.jpg)**Montessori Game Wooden Board Games 42 Colorful Wooden Sticks Dice Games Math Educational Toys for 3 4 5 6 Years Old Fine Motor Skills & Counting Toy Family Travel Game for Kids Gifts**Monwoo**£14.03**224 rev2y ago](https://www.amazon.co.uk/dp/B0CRDY3HNP) [![Magnetic Dart Board for Kids 12pcs Magnetic Darts 15 Double Sided Board Game Set Safe Indoor Outdoor Family Game Best Toy Gift for Teenager 5 6 7 8 9 10 11 12 13 14 15 Years Old Boys (15)](https://m.media-amazon.com/images/I/51xfMj1RbNL.jpg)**Magnetic Dart Board for Kids 12pcs Magnetic Darts 15 Double Sided Board Game Set Safe Indoor Outdoor Family Game Best Toy Gift for Teenager 5 6 7 8 9 10 11 12 13 14 15 Years Old Boys (15)**Mistep**£11.44**630 rev5y ago](https://www.amazon.co.uk/dp/B08L4R6GTQ) [![Toyrific | Complete Traditional Classic Family Game Board Click and Jump Frustration for Kids and Adults](https://m.media-amazon.com/images/I/5185uFmWF6L.jpg)**Toyrific | Complete Traditional Classic Family Game Board Click and Jump Frustration for Kids and Adults**Toyrific**£5.17**3,002 rev15y ago](https://www.amazon.co.uk/dp/B0046NJYL8)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Magnetic Dart Board for Kids 12pcs Magnetic Darts 15 Double Sided Board Game Set Safe Indoor Outdoor Family Game Best Toy Gift for Teenager 5 6 7 8 9 10 11 12 13 14 15 Years Old Boys (15)](https://m.media-amazon.com/images/I/51xfMj1RbNL.jpg)**Magnetic Dart Board for Kids 12pcs Magnetic Darts 15 Double Sided Board Game Set Safe Indoor Outdoor Family Game Best Toy Gift for Teenager 5 6 7 8 9 10 11 12 13 14 15 Years Old Boys (15)**Mistep**£11.44**4.1★**▲ 382%**](https://www.amazon.co.uk/dp/B08L4R6GTQ) [![Cheerful Children Toys Jumbo Kids Dart Board Set (Dinosaur-2 73cm)](https://m.media-amazon.com/images/I/51427eeIMyL.jpg)**Cheerful Children Toys Jumbo Kids Dart Board Set (Dinosaur-2 73cm)**Cheerful Children Toys**£8.56**4.6★**▲ 279%**](https://www.amazon.co.uk/dp/B0FBS72Q8X) [![Montessori Game Wooden Board Games 48 Colorful Sticks Kids Games with 12 Balls Educational Toys for 3 4 5 6 Year Old Math Learning & Fine Motor Skills Toy Family Travel Game Gifts for Boys Girls](https://m.media-amazon.com/images/I/51ougddNSZL.jpg)**Montessori Game Wooden Board Games 48 Colorful Sticks Kids Games with 12 Balls Educational Toys for 3 4 5 6 Year Old Math Learning & Fine Motor Skills Toy Family Travel Game Gifts for Boys Girls**Montrix**£15.73**4.4★**▲ 121%**](https://www.amazon.co.uk/dp/B0FC2D995N) [![Mattel Ker Plunk Game](https://m.media-amazon.com/images/I/51k76UBkl+L.jpg)**Mattel Ker Plunk Game**Juegos Mattel**£24.70**4.5★**▲ 11%**](https://www.amazon.co.uk/dp/B0000205X3) [![Toyrific | Complete Traditional Classic Family Game Board Click and Jump Frustration for Kids and Adults](https://m.media-amazon.com/images/I/5185uFmWF6L.jpg)**Toyrific | Complete Traditional Classic Family Game Board Click and Jump Frustration for Kids and Adults**Toyrific**£5.17**4.3★**— 5%**](https://www.amazon.co.uk/dp/B0046NJYL8)

**~~View all trending →~~**

## **What buyers say about kerplunk**

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

### **What buyers love **

**Fun/Entertainment Experience**39%

*“Fun game”*

**Value For Money**13%

*“worth the price”*

**Quality-Overall**13%

*“Good quality”*

**Advertised Vs Actual Product**6%

*“As advertised”*

**Strength**5%

*“It's sturdy”*

**Gifting Purpose**4%

*“What can you say excellent birthday present for my grandson”*

**Developmental Needs**3%

*“Perfect for young children”*

**Educational-Overall**3%

*“Very educational”*

**Design-Overall**2%

*“Good construction”*

**Durability**2%

*“Great quality and durable”*

### **What buyers complain about **

**Quality-Overall**19%

*“poor quality too as some broke”*

**Strength**11%

*“flimsy”*

**Functionality-Overall**10%

*“Just wont pop up”*

**Fun/Entertainment Experience**8%

*“it wasn't that much fun”*

**Adhesion/Stickiness**8%

*“Darts won't stick”*

**Assembly/Installation**6%

*“It takes a little time to set up”*

**Durability**5%

*“the pop up mechanism broke within 30 minutes and theres no way to dismantle and repair”*

**Touch/Button Controls**4%

*“The click mechanisms stopped working”*

**Ease Of Use**4%

*“Not practical at all”*

**Color**4%

*“Green and blue are also swapped”*

### **Top return reasons **

**Functionality-Overall**45%

**Gifting Purpose**10%

**Quality-Overall**10%

**Defective Material/Parts**9%

**Size-Overall**5%

**Assembly/Installation**4%

**Mechanism Issues**2%

**Strength**2%

**Adhesion/Stickiness**2%

**Material Quality**1%

## **Common questions**

<dl>

<dt>**Is kerplunk profitable to sell on Amazon United Kingdom?**</dt><dd>The niche generates £70K/yr across 8 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is -20.5%. Flapen's verdict: Skip it (34/100).</dd>

<dt>**How competitive is the kerplunk niche?**</dt><dd>7 brands and 58 sellers compete. The top 5 products take 93% of clicks and top 5 brands hold 95% of demand.</dd>

<dt>**What do buyers complain about in kerplunk?**</dt><dd>Top complaints mined from reviews: Quality-Overall, Strength, Functionality-Overall. The return rate is 1.2%.</dd>

<dt>**When does demand for kerplunk peak?**</dt><dd>Demand peaks in Nov–Dec; the busiest month runs 10.9× the quietest.</dd>

<dt>**What does it cost to enter the kerplunk niche?**</dt><dd>Listings span £5.17–£24.70; the average listing price is £11.90 (sweet spot $15–$100). The average incumbent carries 10,371 reviews — the moat a new listing must climb.</dd>

</dl>

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