---
title: "Roblox Birthday Decorations — £61K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/home-garden/roblox-birthday-decorations"
last_updated: "2026-07-31T16:42:51.052Z"
locale: en
meta:
description: "Niche score 49/100 · £61K/yr market · 143K searches/yr · £9.95 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 49/100 · £61K/yr market · 143K searches/yr · £9.95 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Roblox Birthday Decorations — £61K/yr Amazon UK Niche (2026) - Flapen"
---
# **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**
**Incredible****29.79**
avg incumbent reviews — the moat a new listing must climb
**Returns**
**Incredible****0.4%**
return rate — above 5% kills the launch gate
**Brand share**
**Good****61%**
top-5 brand share — brands hold most of the demand
**Competition**
**Good****42%**
top-5 click share — leaders hold, buyers still browse
**Conversion**
**Good****4.3%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Okay****4.5★**
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
**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=uk&signal=no_dominant_brand "Top brand's click share < 20%") [** Low Review Barrier**](https://flapen.com/research/niches?market=uk&signal=low_review_barrier "Top brand's reviews < 500")
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 ~~](https://flapen.com/research/methodology)
## **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 '26 seasonDecJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun
Peak months: Jan, Sep · busiest ÷ quietest = 2.8×
[**Open Trend **](https://flapen.com/research/uk/home-garden/roblox-birthday-decorations/trend)
## **Top roblox birthday decorations search terms**
- **roblox birthday decorations**87K/yr-26.2%3.2% conv. - **roblox party decorations**21K/yr-14.6%3.4% conv. - **roblox party**10K/yr-21.4%1.6% conv. - **roblox birthday**9K/yr-15.6%1.5% conv. - **roblox birthday banner**8K/yr-25.6%2.1% conv. - **roblox decorations**4K/yr-21.2%2.3% conv. - **roblox party supplies**4K/yr-53.1%2.7% conv. [**All search terms **](https://flapen.com/research/uk/home-garden/roblox-birthday-decorations/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 moatMarket 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.
### **Top sellers**
by 90-day click share
[1**Game Birthday Party Supplies Birthday Party Decorations Happy Birthday Banner Balloons Hanging Swirls Cake Topper**CloverCy**£9.14**4.4★110 rev](https://www.amazon.co.uk/dp/B0C5CYM6DW) [2**Party Supplies Roblox Birthday Party Decorations Banner Balloons Ribbon Cake Toppers Cupcake Toppers Cake Decorations**Sovanna**£8.45**0.0★0 rev](https://www.amazon.co.uk/dp/B0GTYMGRCK) [3**Luclay Gamer Party Decorations Balloons Tableware Set - 95Pcs Birthday Decorations Birthday Party Supplies Plates Cups and Napkins and Tablecloth for boys Kids**Luclay**£14.97**4.8★44 rev](https://www.amazon.co.uk/dp/B0DHC7FGKL) [4**9 Pcs Foil Balloons - Game Birthday Party Decorations Supplies for Boy**Jofiesu**£6.17**4.3★71 rev](https://www.amazon.co.uk/dp/B0DM4VHYBB) [5**16th Birthday Party Decorations Supplies Banner Balloons Cake Topper Cake Decorations (Suitable for 16th birthday)**Senidea**£9.97**4.6★66 rev](https://www.amazon.co.uk/dp/B0CT7JX95S)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Roblx Birthday Decorations 119pcs Roblx Party Decorations Gamer Party Decorations Birthday Party Supplies Balloons Tableware Set Cake Toppers Balloons Cupcake Toppers Invitation Card Plates Cups**Elie&Eason**£15.89**1 rev2mo ago](https://www.amazon.co.uk/dp/B0GZT8XKP9) [**Party Supplies Roblox Birthday Party Decorations Banner Balloons Ribbon Cake Toppers Cupcake Toppers Cake Decorations**Sovanna**£8.45**0 rev4mo ago](https://www.amazon.co.uk/dp/B0GTYMGRCK) [**44Pcs Game Theme Birthday Party Decorations Theme Party Decorations Supplies with Happy Birthday Banner Latex Balloons Cake Topper Cupcake Toppers Party Decorations Supply for Boys and Girls**viallolipa**£6.54**7 rev6mo ago](https://www.amazon.co.uk/dp/B0GD7M76TB) [**Party Decoration 50PCS Rob-lox Birthday Party Decoration Kids Cartoon Birthday Kit with Latex Balloon Banner Cake Topper Swirls Deco Boys Girls Rob-lox Party Supplies for Theme Decoration**Wirhaut**£7.63**3 rev8mo ago](https://www.amazon.co.uk/dp/B0G2XCH1KK) [**Birthday Decoration 48PCS Kids Cartoon Balloons Kit with Aluminum Balloon Banner Cake Topper Deco Boys Girls Rob-lox Party Supplies for Birthday Theme Decoration**Wirhaut**£9.10**3 rev8mo ago](https://www.amazon.co.uk/dp/B0G2XJ27S2)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Party Supplies Roblox Birthday Party Decorations Banner Balloons Ribbon Cake Toppers Cupcake Toppers Cake Decorations**Sovanna**£8.45**0.0★**▲ 272%**](https://www.amazon.co.uk/dp/B0GTYMGRCK) [**Roblx Birthday Decorations 119pcs Roblx Party Decorations Gamer Party Decorations Birthday Party Supplies Balloons Tableware Set Cake Toppers Balloons Cupcake Toppers Invitation Card Plates Cups**Elie&Eason**£15.89**5.0★**▲ 270%**](https://www.amazon.co.uk/dp/B0GZT8XKP9) [**52PC Birthday Decorations Party Decorations Kit Party Tableware Set Birthdays Supplies Happy Birthday Banner Plates Cups Napkins Tablecloth for Kids Boys Girls**Ainvliya**£10.73**5.0★**▲ 235%**](https://www.amazon.co.uk/dp/B0FVWMHNYN) [**Luclay Party Favour Packs 96pcs Rob Snap Bracelets & Sticker Toy Set Cute Stickers for Children Loving Wizards for Birthday Party Supplies Advent Calendar Party Bag Filler Favors for Boys Girls**Luclay**£12.06**4.4★**▲ 189%**](https://www.amazon.co.uk/dp/B0F1YD96HP) [**Birthday Decoration 48PCS Kids Cartoon Balloons Kit with Aluminum Balloon Banner Cake Topper Deco Boys Girls Rob-lox Party Supplies for Birthday Theme Decoration**Wirhaut**£9.10**5.0★**▲ 143%**](https://www.amazon.co.uk/dp/B0G2XJ27S2)
**~~View all trending →~~**
## **What buyers say about roblox birthday decorations**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**32%
*“The balloons are reasonable quality”*
**Size-Overall**20%
*“Very good sizes too”*
**Fun/Entertainment Experience**20%
*“Fun for kids”*
**Advertised Vs Actual Product**10%
*“As described”*
**Durability**3%
*“Lasted for days”*
**Value For Money**3%
*“good value for money”*
**Color**3%
*“The colours are vibrant”*
### **What buyers complain about **
**Quality-Overall**28%
*“And the hole to put the air were not clearly visible cheap quality will not recommend the product at all”*
**Smell**22%
*“Absolutely unacceptable – strong chemical/kerosene smell”*
**Size-Overall**11%
*“banners themselves were ok just smaller than I expected”*
**Inflation/Deflation**11%
*“it deflates the next day”*
**Value For Money**6%
*“Waste of money unfortunately”*
**Durability**6%
*“still went down within 10mins”*
**Print Quality**4%
*“Ive dropped a star due to the overall design is not as cleanly printed”*
### **Top return reasons **
**Quality-Overall**17%
**Adhesion/Stickiness**11%
**Thin**11%
**Functionality-Overall**11%
**Advertised Vs Actual Product**11%
**Value For Money**11%
**Size-Overall**11%
**Gifting Purpose**6%
**Color**6%
**Inflation/Deflation**6%
## **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.
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