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Lego Modular Buildings

Fail

The top 5 brands take 98% of clicks, so Lego Modular Buildings is a Fail.

Flapen Score
40
40 / 100
Ranks 1,079 of 1,773 Toys & Games niches · −4 vs the category median of 44
Market size
£151K/yr195K searches / yr
90-day growth
-25.0%search demand this quarter
Competition
31%top-5 click share · 9 brands · 241 sellers

Flapen Score

Lego Modular Buildings against its category

The dotted line is the Toys & Games average. Past it, Lego Modular Buildings is stronger. Inside it, weaker.

40Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Lego Modular Buildings market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for Lego Modular Buildings 195K times last year and spent an estimated £151K. The top 5 brands take 98% of clicks. Flapen scores it 40 out of 100, a Fail.

01 · Demand

An estimated 0.7% of those searches ended in a purchase.

Shoppers searched for this 195K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 0.7% of those searches ended in a purchase. Searches in the last 90 days moved -25.0% against the 90 days before. Searches, conversion and average price together put the market at an estimated £151K a year.

Searches, last 12 months
195K
Growth, 90 days vs prior 90
-25.0%
Conversion, latest week
0.7%
Market size, estimated
£151Ka year
Top search term
lego buildings63K searches a year

02 · Price

A sale here is worth £117.72.

Listings sell for £117.72 on average, from £9.21 to £322.79. Amazon reports units sold in ranges. This niche sold 750 to 1K a year. The average listing sells 0 to 100 of them. At £117.72 that is £0 to £12K a year per listing.

Average price
£117.72above the $15 to $100 sweet spot
Price range
£9.21–£322.79
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
750–1K
Units per listing a year
0–100
Revenue per listing a year
£0–£12K
Returns
0.9%of orders · Amazon United Kingdom median 0.6%

03 · Entry bar

The bar here is low.

70% of listings pay for placement with sponsored ads. 80% ship with Prime. On an average day, 2.1% of listings are out of stock. The average listing ranks #2,334 within Building & Construction Toys. It carries 1,002 reviews at 4.67 stars, so a new listing needs social proof before a better product.

Sponsored listings
70%
Prime listings
80%
Out of stock, average day
2.1%
Average rank
#2,334in Building & Construction Toys
Average rating
4.67 starsAmazon United Kingdom average 4.36 stars
Average reviews
1,002per listing
Listings tracked
46

04 · Newcomers

9 of last year's 12 launches cleared the first-year sales bar.

12 products launched here in the last 12 months. 9 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 26 months on average, so a newcomer is not facing entrenched names.

Launched, last 12 months
12
Successful launches
9Amazon's first-year sales bar
Average brand age
26 months

Products

Top Lego Modular Buildings products & what they sell for

The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.

Prices and ratings read from Amazon on Jul 29, 2026. The live listing can differ.

Competition

Competition: brands, sellers & click share

The top 5 products take an estimated 31% of clicks, no more. An open shelf where new products get seen.

£0£5K£9K£14K£18K101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

9 rising

Sellers

241

Est. top-5 brand share

98%

Top 20: 100%

Est. top-5 click share

31%

Top 20: 76%

Open market

2%

  • LEGO85%
  • Lumibricks5%
  • Yushinv3%
  • CSNRHG3%
  • NUOJIAYING3%
  • QLT QIAOLETONG1%
  • Open — no brand owns it (3 brands, 2%)

Demand

Lego Modular Buildings search demand

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

7K5KSpike '26JanFebMarAprMayJunJul

Peak months: Jan · busiest ÷ quietest = 2.6× · 7 of 12 months tracked

Search terms

Top Lego Modular Buildings search terms shoppers use

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

  • lego buildings63K/yr
  • lego modular buildings43K/yr
  • lego building29K/yr
  • lego modular15K/yr
  • lego creator expert16K/yr
  • lego jazz club13K/yr
  • lego hotel6K/yr
  • lego expert5K/yr
  • lego boutique hotel5K/yr

Reviews and returns

What reviews say buyers love and hate about Lego Modular Buildings

We read the reviews and the return reasons for every product selling here.

20%of positive reviews mention “Design-Overall”
17%of negative reviews mention “Size-Overall”
0.9%of orders come back
“The fitting is not good”
A buyer, on “Size-Overall”17% of negative reviews mention the same topic

Every topic

Every topic buyers talk about, one row each.

Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.

17 topics

NegativePositive

FAQ

Common Lego Modular Buildings questions

Answered from the same tracked data.

Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data