1st birthday decorations for girls
Worth a lookShows low returns (1.3%), but a small market ($64K/yr) keeps it on the watch list.
Returns
Great1.3%return rate — above 5% kills the launch gate
Brand share
Great46%top-5 brand share — no brand owns this niche
Review moat
Great251.09avg incumbent reviews — the moat a new listing must climb
Competition
Great39%top-5 click share — an open shelf
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Conversion
Okay2.9%search→purchase rate — share of searches ending in a sale
Avg price
Okay£9.87avg listing price — sweet spot $15–$100
Price range
Okay£3.37–£19.33cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Bad-10.4%90-day search growth — must beat 0% to launch
Market size
Bad£64K£64K/yr · 225K searches
According to Flapen's Amazon United Kingdom niche tracking, 1st birthday decorations for girls is a £64K/yr Amazon United Kingdom market (225K searches/yr). The top 5 brands hold 46% of demand. Demand peaks in Jan. Verdict: Worth a look — 52/100.
Data updated Jul 27, 2026 · scored weekly · How we score niches
1st birthday decorations for girls market data
- Units sold / yr
- 5K–6K
- avg 100–250/product
- Revenue / yr
- £49K–£59K
- units × avg price
- Conversion rate
- 2.9%
- Avg BSR
- #535
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 98%
- Out of stock
- 6.6%
- Avg brand age
- 20 months
- Avg seller age
- 175 days
Competition & brand share
Clicks spread well past the top 5 (39% combined) — an open shelf where new products get seen.Brands
38 rising
Sellers
45
Top-5 brand share
46%
Top 20: 84%
Top-5 click share
39%
Top 20: 79%
Open market
49%
- NEUFOOD14%
- Toyssa12%
- QUERICKY8%
- QIFU7%
- Dagelar6%
- KISPATTI5%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -10.4% search growth over the last 90 days.Peak months: Jan · busiest ÷ quietest = 1.9×
Top 1st birthday decorations for girls search terms
- 1st birthday decorations for girls138K/yr
- first birthday decorations girl60K/yr
- baby girl birthday decorations 1 year old8K/yr
- baby girl 1st birthday decorations8K/yr
- 1 birthday decorations girl5K/yr
- girls 1st birthday decorations6K/yr
Top 1st birthday decorations for girls 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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Toyssa 1st Birthday Decorations for Girls Retro Pink Balloon Arch Kit with ONE Balloon Boxes Foil Balloons Happy Birthday Banner First Girls Decoration Party Supplies for Kids
Toyssa£17.934.6★304 rev

1st Birthday Decorations For Girls 1st Birthday Balloons Set With Rainbow Balloons Triangle Banner
NEUFOOD£8.344.3★314 rev

1st Birthday Decorations for Girls - 3pcs One Balloon Boxes with 104pcs Pink Balloon Arch Kit Baby Pink Balloon One Boxes for 1st Birthday Princess First Birthday Decorations Baby Girls 1 Year Old
QIFU£11.354.6★921 rev

1st Birthday Decoration for Girls Pastel Macaron 1st Birthday Balloon Pink Number 1 Balloon with Butterfly Stickers Star Heart Foil Balloons Banner Set for Baby 1 Year Old Party Decor
Dagelar£9.154.5★676 rev

1st Birthday Decorations for Girls Pink First Birthday Decorations Pink White Balloons Bow Balloons with Baby Month Photo Banner Cake Topper for 1st Party Decorations
KISPATTI£11.413.8★37 rev
Newest
by launch date
Baby Girl 1st Birthday Romper Dress with Headband Letters Floral Embroidery Lace Sleeveless Bodysuits Princess Dress Layered Tulle Tutu Skirt Girls First Birthday Outfit (Pink 9-12 Months)
Geagodelia£9.013 rev

1st Birthday Candle Shiny Pink Flower Bee Number One Candle Cute First Cake Topper Decoration for Women Girls Birthday Anniversary Celebration Party Supplies
Goktvai£4.1632 rev

1st Birthday Decorations for Girls Pink Happy Birthday Banner with Large Number 1 and Crown Foil Balloons Star & Heart Balloons Party Supplies for 1 Year Old Birthday
Mokivoo£8.0519 rev

Dusty Pink Balloon Number 1 for 1st Birthday Decorations Girls Blush Baby Pink Gold White Sand Latex Balloons with Bow Heart Foil Balloons for Boho First 1 Year Old Birthday Anniversary Party Decor
Jobkoo£12.03237 rev

1st Birthday Cake Topper Pink Butterfly Happy Birthday Candle Number 1 Candles Glittering Cake Toppers Candles for Girls Theme Party Family Gathering Decorations(Number 1)
Gangyumaoyi£3.5582 rev
Trending
90-day click momentum
1st Birthday Candle Shiny Pink Flower Bee Number One Candle Cute First Cake Topper Decoration for Women Girls Birthday Anniversary Celebration Party Supplies
Goktvai£4.164.6★

Baby Girl 1st Birthday Romper Dress with Headband Letters Floral Embroidery Lace Sleeveless Bodysuits Princess Dress Layered Tulle Tutu Skirt Girls First Birthday Outfit (Pink 9-12 Months)
Geagodelia£9.014.3★

1st Birthday Party Decorations Girls - Rose Gold Happy Birthday Banner Bunting Set with Glitter Garland Baby First Heart Hanging Swirls for One Birthday Party Supplies
Pecration£7.634.3★

1st Birthday Decorations for Girls Pink Happy Birthday Banner with Large Number 1 and Crown Foil Balloons Star & Heart Balloons Party Supplies for 1 Year Old Birthday
Mokivoo£8.054.7★

1st Birthday Banner First Birthday Decorations Girls - Pink 1st Highchair Banner with 1 Hat and One Cake Topper
Bomiclss£9.664.1★
What buyers say about 1st birthday decorations for girls
What buyers praise and complain about, mined from review topics.What buyers love
“The foil balloons are brilliant quality just what I wanted”
“Worth the price”
“Easy to assemble”
“Lovely colours”
“As advertised”
“it looked absolutely adorable”
“1st birthday decoration was amazing”
“Good amount for indoor party”
“the snap closures make changing much easier”
“Very bright and colourful for a little girl worth the money”
What buyers complain about
“A mixed review some good things some not so good unfortunately”
“get some extra glue”
“Balloons didnt blow up to size as per the description, much smaller”
“The images are clearly fake”
“The slim balloons would not inflate even with the use of an electric pump”
“flimsy boxes”
“wasnt very durable”
“They are bit costly”
“Was an absolute nightmare to try assemble”
“while im very disappointed with the beige instead of white”
Top return reasons
Common questions
- Is 1st birthday decorations for girls profitable to sell on Amazon United Kingdom?
- The niche generates £64K/yr across 43 tracked products. 0 of 14 products launched in the last 360 days are still selling. 90-day search growth is -10.4%. Flapen's verdict: Worth a look (52/100).
- How competitive is the 1st birthday decorations for girls niche?
- 38 brands and 45 sellers compete. The top 5 products take 39% of clicks and top 5 brands hold 46% of demand.
- What do buyers complain about in 1st birthday decorations for girls?
- Top complaints mined from reviews: Quality-Overall, Adhesion/Stickiness, Size-Overall. The return rate is 1.3%.
- When does demand for 1st birthday decorations for girls peak?
- Demand peaks in Jan; the busiest month runs 1.9× the quietest.
- What does it cost to enter the 1st birthday decorations for girls niche?
- Listings span £3.37–£19.33; the average listing price is £9.87 (sweet spot $15–$100). The average incumbent carries 251 reviews — the moat a new listing must climb.