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49

roblox birthday decorations

Skip it

Soft demand (-24.0% this quarter) — this niche doesn't clear our bar today.

Market size 15Growth 13Conversion 52Competition 72Returns 98Price range 26Avg price 33Brand share 73Review moat 99Quality gap 37

Review moat

Incredible29.79

avg incumbent reviews — the moat a new listing must climb

Returns

Incredible0.4%

return rate — above 5% kills the launch gate

Brand share

Good61%

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

Competition

Good42%

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

Conversion

Good4.3%

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Avg price

Okay£9.95

avg listing price — sweet spot $15–$100

Price range

Okay£4.15–£18.79

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

Market size

Bad£61K

£61K/yr · 143K searches

Growth

Bad-24.0%

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

According to Flapen's Amazon United Kingdom niche tracking, roblox birthday decorations is a £61K/yr Amazon United Kingdom market (143K searches/yr). The top 5 brands hold 61% of demand. Demand peaks in Jan–Sep. Verdict: Skip it — 49/100.

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

roblox birthday decorations market data

Units sold / yr
5K–6K
avg 100–250/product
Revenue / yr
£50K–£60K
units × avg price
Conversion rate
4.3%
Avg BSR
#939
Page quality
0%
Prime
97%
Sponsored
100%
Out of stock
7.5%
Avg brand age
21 months
Avg seller age
271 days

Competition & brand share

The top 5 products take 42% of clicks — established leaders, but buyers still shop beyond them.

Brands

20 rising

Sellers

22

Top-5 brand share

61%

Top 20: 100%

Top-5 click share

42%

Top 20: 86%

Open market

33%

  • Luclay20%
  • Sovanna13%
  • CloverCy11%
  • Wirhaut10%
  • Jofiesu8%
  • Senidea6%

Demand & seasonality

Weekly Amazon search volume, last 85 weeks — -24.0% search growth over the last 90 days.
4K3KSpike '25Spike '26DecJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun

Peak months: Jan, Sep · busiest ÷ quietest = 2.8×

Top roblox birthday decorations search terms

  • roblox birthday decorations87K/yr
  • roblox party decorations21K/yr
  • roblox party10K/yr
  • roblox birthday9K/yr
  • roblox birthday banner8K/yr
  • roblox decorations4K/yr
  • roblox party supplies4K/yr
All search terms

Top roblox birthday decorations 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%3%£2K6%£4K9%£5K12%£7K1101001K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted

All 24 tracked products in this niche — three views at once, no toggling.

What buyers say about roblox birthday decorations

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

What buyers love

Quality-Overall32%

“The balloons are reasonable quality”

Size-Overall20%

“Very good sizes too”

Fun/Entertainment Experience20%

“Fun for kids”

Advertised Vs Actual Product10%

“As described”

Durability3%

“Lasted for days”

Value For Money3%

“good value for money”

Color3%

“The colours are vibrant”

What buyers complain about

Quality-Overall28%

“And the hole to put the air were not clearly visible cheap quality will not recommend the product at all”

Smell22%

“Absolutely unacceptable – strong chemical/kerosene smell”

Size-Overall11%

“banners themselves were ok just smaller than I expected”

Inflation/Deflation11%

“it deflates the next day”

Value For Money6%

“Waste of money unfortunately”

Durability6%

“still went down within 10mins”

Print Quality4%

“Ive dropped a star due to the overall design is not as cleanly printed”

Top return reasons

Quality-Overall17%
Adhesion/Stickiness11%
Thin11%
Functionality-Overall11%
Advertised Vs Actual Product11%
Value For Money11%
Size-Overall11%
Gifting Purpose6%
Color6%
Inflation/Deflation6%

Common questions

Is roblox birthday decorations profitable to sell on Amazon United Kingdom?
The niche generates £61K/yr across 38 tracked products. 0 of 14 products launched in the last 360 days are still selling. 90-day search growth is -24.0%. Flapen's verdict: Skip it (49/100).
How competitive is the roblox birthday decorations niche?
20 brands and 22 sellers compete. The top 5 products take 42% of clicks and top 5 brands hold 61% of demand.
What do buyers complain about in roblox birthday decorations?
Top complaints mined from reviews: Quality-Overall, Smell, Size-Overall. The return rate is 0.4%.
When does demand for roblox birthday decorations peak?
Demand peaks in Jan–Sep; the busiest month runs 2.8× the quietest.
What does it cost to enter the roblox birthday decorations niche?
Listings span £4.15–£18.79; the average listing price is £9.95 (sweet spot $15–$100). The average incumbent carries 30 reviews — the moat a new listing must climb.