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36

simbrix

Skip it

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Market size 10Growth 11Conversion 31Competition 2Returns 96Price range 76Avg price 78Brand share 0Review moat 98Quality gap 70

Review moat

Incredible48.17

avg incumbent reviews — the moat a new listing must climb

Returns

Incredible0.7%

return rate — above 5% kills the launch gate

Avg price

Great£16.13

avg listing price — sweet spot $15–$100

Price range

Great£6.79–£41.80

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

Quality gap

Good4.3★

avg incumbent rating — lower means beatable quality

Conversion

Okay2.5%

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

Growth

Bad-27.5%

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

Market size

Bad£40K

£40K/yr · 99K searches

Competition

Bad98%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United Kingdom niche tracking, simbrix is a £40K/yr Amazon United Kingdom market (99K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Oct–Nov–Dec. Verdict: Skip it — 36/100.

Data updated Jul 29, 2026 · scored weekly · How we score niches

simbrix market data

Units sold / yr
4K–5K
avg 250–500/product
Revenue / yr
£65K–£81K
units × avg price
Conversion rate
2.5%
Avg BSR
#1,459
Page quality
0%
Prime
100%
Sponsored
17%
Out of stock
35.5%
Avg brand age
31 months
Avg seller age
182 days

Competition & brand share

The top 5 products capture 98% of clicks — a locked-up shelf that new listings rarely crack.

Brands

3 flat

Sellers

35

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

98%

Top 20: 100%

Open market

0%

  • Simbrix Connect & Wow74%
  • Bizak24%
  • Starnearby2%
  • Open — no brand owns it (0%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -27.5% search growth over the last 90 days.
7K5KSpike '24Holiday '24Spike '25Prime Day '25Black Friday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Oct, Nov, Dec · busiest ÷ quietest = 6.1×

Top simbrix search terms

  • simbrix66K/yr
  • sim brix28K/yr
  • sim bricks5K/yr
All search terms

Top simbrix 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%15%£6K30%£12K45%£18K60%£24K1101001K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 6 tracked products in this niche — three views at once, no toggling.

What buyers say about simbrix

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

What buyers love

Fun/Entertainment Experience40%

“Love this game”

Value For Money20%

“Good price also”

Safety Standards10%

“Safe for playmates”

Color10%

“It was colourful”

Gifting Purpose10%

“Brought as gift and loved it”

Assembly/Installation10%

“very quick to set up”

What buyers complain about

Advertised Vs Actual Product50%

“clearly not as advertised”

Value For Money50%

“Highly overpriced and clearly not as advertised”

Top return reasons

Gifting Purpose20%
Defective Material/Parts20%
Instructions/User Manual/Troubleshooting20%
Quality-Overall10%
Stretchability/Expandability/Elasticity10%
Size-Overall10%
Color10%

Common questions

Is simbrix profitable to sell on Amazon United Kingdom?
The niche generates £40K/yr across 6 tracked products. 90-day search growth is -27.5%. Flapen's verdict: Skip it (36/100).
How competitive is the simbrix niche?
3 brands and 35 sellers compete. The top 5 products take 98% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in simbrix?
Top complaints mined from reviews: Advertised Vs Actual Product, Value For Money. The return rate is 0.7%.
When does demand for simbrix peak?
Demand peaks in Oct–Nov–Dec; the busiest month runs 6.1× the quietest.
What does it cost to enter the simbrix niche?
Listings span £6.79–£41.80; the average listing price is £16.13 (sweet spot $15–$100). The average incumbent carries 48 reviews — the moat a new listing must climb.