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37

lego mug

Skip it

A small market ($21K/yr) — this niche doesn't clear our bar today.

Market size 5Growth 12Conversion 47Competition 42Returns 96Price range 48Avg price 41Brand share 39Review moat 55Quality gap 28

Returns

Incredible0.8%

return rate — above 5% kills the launch gate

Review moat

Good1,282.78

avg incumbent reviews — the moat a new listing must climb

Price range

Okay£7.46–£22.02

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

Conversion

Okay3.7%

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

Competition

Okay60%

top-5 click share — leaders hold, buyers still browse

Avg price

Okay£10.91

avg listing price — sweet spot $15–$100

Brand share

Okay81%

top-5 brand share — brands hold most of the demand

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Growth

Bad-26.3%

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

Market size

Bad£21K

£21K/yr · 51K searches

According to Flapen's Amazon United Kingdom niche tracking, lego mug is a £21K/yr Amazon United Kingdom market (51K searches/yr). The top 5 brands hold 81% of demand. Demand peaks in Nov–Dec. Verdict: Skip it — 37/100.

Data updated Jul 27, 2026 · scored weekly · How we score niches

lego mug market data

Units sold / yr
2K–2K
avg 0–100/product
Revenue / yr
£16K–£22K
units × avg price
Conversion rate
3.7%
Avg BSR
#1,371
Page quality
0%
Prime
78%
Sponsored
72%
Out of stock
3.2%
Avg brand age
49 months
Avg seller age
179 days

Competition & brand share

The top 5 products take 60% of clicks — established leaders, but buyers still shop beyond them.

Brands

10 flat

Sellers

43

Top-5 brand share

81%

Top 20: 100%

Top-5 click share

60%

Top 20: 100%

Open market

12%

  • Room Copenhagen42%
  • Lumsburry15%
  • MA3TY9%
  • LEGO8%
  • Sinnsally8%
  • HUISHENG6%
  • Open — no brand owns it (4 brands, 12%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -26.3% search growth over the last 90 days.
6K4KSpike '24Holiday '24Spike '25Prime Day '25Holiday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Nov, Dec · busiest ÷ quietest = 9.8×

Top lego mug search terms

  • lego mug32K/yr
  • lego cup13K/yr
  • lego mugs for adults6K/yr
All search terms

Top lego mug 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%£2K20%£4K30%£6K40%£8K101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)2 products missing review or click data not plotted

All 18 tracked products in this niche — three views at once, no toggling.

What buyers say about lego mug

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

What buyers love

Gifting Purpose50%

“Present”

Fun/Entertainment Experience25%

“Lovely brick mug set for a child to play with”

Color13%

“Colour was spot on and Legos are easy to pop on and off”

Quality-Overall13%

“Great quality”

What buyers complain about

Size-Overall83%

“small”

Advertised Vs Actual Product17%

“Not a coffee mug as described”

Top return reasons

Size-Overall45%
Leak-Proof18%
Quality-Overall18%
Color9%
Gifting Purpose9%

Common questions

Is lego mug profitable to sell on Amazon United Kingdom?
The niche generates £21K/yr across 18 tracked products. 0 of 3 products launched in the last 360 days are still selling. 90-day search growth is -26.3%. Flapen's verdict: Skip it (37/100).
How competitive is the lego mug niche?
10 brands and 43 sellers compete. The top 5 products take 60% of clicks and top 5 brands hold 81% of demand.
What do buyers complain about in lego mug?
Top complaints mined from reviews: Size-Overall, Advertised Vs Actual Product. The return rate is 0.8%.
When does demand for lego mug peak?
Demand peaks in Nov–Dec; the busiest month runs 9.8× the quietest.
What does it cost to enter the lego mug niche?
Listings span £7.46–£22.02; the average listing price is £10.91 (sweet spot $15–$100). The average incumbent carries 1,283 reviews — the moat a new listing must climb.