---
title: "Mega Bloks — £218K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/toys-games/mega-bloks"
last_updated: "2026-07-31T13:04:11.206Z"
locale: en
meta:
description: "Niche score 38/100 · £218K/yr market · 285K searches/yr · £14.90 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 38/100 · £218K/yr market · 285K searches/yr · £14.90 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Mega Bloks — £218K/yr Amazon UK Niche (2026) - Flapen"
---
# **mega bloks**
**Skip it**
Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size 42Growth 14Conversion 59Competition 27Returns 97Price range 75Avg price 74Brand share 0Review moat 18Quality gap 17
**Returns**
**Incredible****0.7%**
return rate — above 5% kills the launch gate
**Price range**
**Great****£6.39–£40.52**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Avg price**
**Good****£14.90**
avg listing price — sweet spot $15–$100
**Conversion**
**Good****5.1%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Okay****£218K**
£218K/yr · 285K searches
**Competition**
**Okay****69%**
top-5 click share — leaders hold, buyers still browse
**Review moat**
**Bad****17,060.07**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Growth**
**Bad****-21.4%**
90-day search growth — must beat 0% to launch
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United Kingdom niche tracking, mega bloks is a £218K/yr Amazon United Kingdom market (285K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 38/100.
Data updated Jul 29, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **mega bloks market data**
- **Units sold / yr**
- **13K–15K**
- avg 750–1,000/product
- **Revenue / yr**
- **£186K–£224K**
- units × avg price
- **Conversion rate**
- **5.1%**
- **Avg BSR**
- **#706**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **0%**
- **Out of stock**
- **3.9%**
- **Avg brand age**
- **34 months**
- **Avg seller age**
- **170 days**
## **Competition & brand share**
The top 5 products take 69% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**2 **—flat
**Sellers**
**84**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**69%**
Top 20: 100%
**Open market**
**0%**
- Mega Bloks94% - Mega Brands6% - Open — no brand owns it (0%)
## **Demand**
Weekly Amazon search volume, last 40 weeks — -21.4% search growth over the last 90 days.
18K13KBlack Friday '25Spike '26Oct '25Dec '25Jan '26Mar '26Apr '26May '26Jul '26
[**Open Trend **](https://flapen.com/research/uk/toys-games/mega-bloks/trend)
## **Top mega bloks search terms**
- **mega bloks**181K/yr-23.3%5.4% conv. - **mega blocks**42K/yr-4.6%5.7% conv. - **mega blocks for 1+ year old**16K/yr+9.8%7.5% conv. - **mega blocks for 1 year old**17K/yr-25.9%6.2% conv. - **megablocks**11K/yr-44.4%6.2% conv. - **megabloks**3K/yr-9.7%5.6% conv. - **mega bloks car**3K/yr+11.0%1.3% conv. - **mega bloks train**6K/yr-76.5%4.6% conv. - **mega blocks for 2+ year old**4K/yr-28.0%4.9% conv. [**All search terms **](https://flapen.com/research/uk/toys-games/mega-bloks/search-terms)
## **Top mega bloks 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%£22K20%£44K30%£65K40%£87K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 15 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**MEGA BLOKS First Builders Big Building Bag Toddler Blocks Toy Blue**Mega Bloks**£6.48**4.8★63,880 rev](https://www.amazon.co.uk/dp/B0083F2XCW) [2**MEGA BLOKS First Builders Big Building Bag Toddler Blocks Toy Blue**Mega Bloks**£11.19**4.8★84,025 rev](https://www.amazon.co.uk/dp/B007GE75HY) [3**MEGA BLOKS First Builders Bigger Building Bag Toddler Blocks Toy**Mega Bloks**£16.69**4.7★1,159 rev](https://www.amazon.co.uk/dp/B09QLGNGYT) [4**MEGA BLOKS First Builders ABC Learning Train Toddler Blocks Toy**Mega Bloks**£6.61**4.7★6,088 rev](https://www.amazon.co.uk/dp/B01IWX5EVQ) [5**MEGA BLOKS First Builders Build & Match Animal Tractor Toddler Blocks Toy**Mega Bloks**£9.19**4.8★194 rev](https://www.amazon.co.uk/dp/B0FDH42GT3)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**MEGA BLOKS First Builders Build & Count Bus Toddler Blocks Toy**Mega Bloks**£8.79**194 rev7mo ago](https://www.amazon.co.uk/dp/B0FDH57ZZG) [**MEGA BLOKS First Builders Build & Match Animal Tractor Toddler Blocks Toy**Mega Bloks**£9.19**194 rev9mo ago](https://www.amazon.co.uk/dp/B0FDH42GT3) [**MEGA BLOKS First Builders Toddler Building Toy Block Scooping Pull Wagon with 20 Pieces and Built-In Storage Picks Up Blocks Red Kids Ages 1+ JFR30**Mega Brands**£17.24**145 rev10mo ago](https://www.amazon.co.uk/dp/B0DMWK946Y) [**MEGA BLOKS Fisher-Price Toddler Building Toy Animal Blocks with 250 Pieces and Reusable Storage Bag Kids Ages 1+ Years JCF93**Mega Bloks**£40.52**24 rev10mo ago](https://www.amazon.co.uk/dp/B0DLGT8RRD) [**Mega Bloks First Builders Build n Learn Table - Amazon Exclusive**Mega Bloks**£19.50**6,745 rev1y ago](https://www.amazon.co.uk/dp/B00TZZQKXW)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**MEGA BLOKS First Builders Toddler Blocks Toys Set Deluxe Building Bag with 150 Pieces and Storage Creative Open-Ended Play Blue Ages 1+ Years CNM43**Mega Bloks**£20.74**4.7★**▲ 373%**](https://www.amazon.co.uk/dp/B00U26LT34) [**Mega Bloks First Builders Build n Learn Table - Amazon Exclusive**Mega Bloks**£19.50**4.7★**▲ 106%**](https://www.amazon.co.uk/dp/B00TZZQKXW) [**MEGA BLOKS First Builders Build & Match Animal Tractor Toddler Blocks Toy**Mega Bloks**£9.19**4.8★**▲ 77%**](https://www.amazon.co.uk/dp/B0FDH42GT3) [**MEGA BLOKS First Builders Build & Count Bus Toddler Blocks Toy**Mega Bloks**£8.79**4.8★**▲ 74%**](https://www.amazon.co.uk/dp/B0FDH57ZZG) [**MEGA BLOKS Fisher-Price Toddler Building Toy Animal Blocks with 250 Pieces and Reusable Storage Bag Kids Ages 1+ Years JCF93**Mega Bloks**£40.52**4.8★**▲ 58%**](https://www.amazon.co.uk/dp/B0DLGT8RRD)
**~~View all trending →~~**
## **What buyers say about mega bloks**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Fun/Entertainment Experience**27%
*“Great toy”*
**Quality-Overall**16%
*“Amazing quality”*
**Value For Money**11%
*“Great value for money”*
**Size-Overall**7%
*“Good size”*
**Color**6%
*“Bold and beautiful”*
**Strength**5%
*“sturdy”*
**Gifting Purpose**5%
*“Very happy and would recommend as a gift or for your own kids”*
**Creativity**3%
*“my toddler havs loved building creatively with them”*
**Developmental Needs**3%
*“Very good for kids”*
**Storage Capacity**2%
*“Great for storing them”*
### **What buyers complain about **
**Print Quality**13%
*“Only one of them has been printed correctly”*
**Advertised Vs Actual Product**13%
*“Deceptive”*
**Strength**8%
*“although the bag could be a bit sturdier”*
**Size-Overall**8%
*“was quite bigger than I thought”*
### **Top return reasons **
**Size-Overall**23%
**Quality-Overall**19%
**Gifting Purpose**9%
**Value For Money**9%
**Defective Material/Parts**8%
**Color**8%
**Advertised Vs Actual Product**3%
**Functionality-Overall**3%
**Product Condition**2%
**Adjustability/Rotatability/Reclining**2%
## **Common questions**
- **Is mega bloks profitable to sell on Amazon United Kingdom?**
- The niche generates £218K/yr across 15 tracked products. 2 of 4 products launched in the last 360 days are still selling. 90-day search growth is -21.4%. Flapen's verdict: Skip it (38/100).
- **How competitive is the mega bloks niche?**
- 2 brands and 84 sellers compete. The top 5 products take 69% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in mega bloks?**
- Top complaints mined from reviews: Print Quality, Advertised Vs Actual Product, Strength. The return rate is 0.7%.
- **What does it cost to enter the mega bloks niche?**
- Listings span £6.39–£40.52; the average listing price is £14.90 (sweet spot $15–$100). The average incumbent carries 17,060 reviews — the moat a new listing must climb.
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