birthday crown
Skip itPrices mostly outside the sweet spot ($5.13–$16.60) — this niche doesn't clear our bar today.
Market size
Great$1.0M$1.0M/yr · 2.4M searches
Competition
Good49%top-5 click share — leaders hold, buyers still browse
Conversion
Good4.5%search→purchase rate — share of searches ending in a sale
Brand share
Okay76%top-5 brand share — brands hold most of the demand
Review moat
Okay2,246.88avg incumbent reviews — the moat a new listing must climb
Returns
Okay3.8%return rate — above 6% kills the launch gate
Avg price
Okay$9.45avg listing price — sweet spot $15–$100
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Growth
Bad-12.0%90-day search growth — must beat 0% to launch
Price range
Bad$5.13–$16.60cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
The top 5 products take 49% of clicks — established leaders, but buyers still shop beyond them.Brands
11 falling
Sellers
15
Top-5 brand share
76%
Open market
16%
- COCIDE28%
- Papoopy21%
- TOBATOBA9%
- CIEHER9%
- Chanaco8%
- AOPRIE8%
- Open — no brand owns it (5 brands, 16%)
Product shelf
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
COCIDE Birthday Queen Sash & Rhinestone Tiara Set Gold Happy Birthday Crowns for Women Party Decoration Kit Rhinestone Headband for Women Glitter Crystal Hair Accessories for Cake Topper
COCIDE$10.864.7★4,733 rev
Chanaco Happy Birthday Crown and Sash Kit for Women and Girls - Rhinestone Tiara and Sashes with BIRTHDAY GIRL Sash for Party Favors
Chanaco$9.984.7★192 rev
Princess Birthday Tiara - Happy Crown for Girls & Women Decorative Accessory
VELSCRUN$10.154.7★2,660 rev
Papoopy Birthday Tiara Crown with Sash for Women Headband Hair Accessories for Wedding Party Costume
Papoopy$10.104.7★2,352 rev
CIEHER Birthday Girl Headband Crown for Women & Girls - Pink Glitter Letter Tiara - One Size Fits All - Birthday Decoration & Gift
CIEHER$6.024.6★571 rev
Newest
by launch date
Papoopy Birthday Headband with Sash for Women Birthday Crwon Tiara for Decorations
Papoopy$5.13204 rev
TOBATOBA Birthday Queen Sash and Crown for Women - Gold Rhinestone Tiara and Sash Set for Birthday Decorations Outfits for Women
TOBATOBA$10.19250 rev
CIEHER Birthday Girl Headband Crown for Women & Girls - Pink Glitter Letter Tiara - One Size Fits All - Birthday Decoration & Gift
CIEHER$6.02571 rev
Papoopy Birthday Tiara and Crown with Sash Birthday Tiara for Women Party Silver
Papoopy$6.94980 rev
COCIDE BIRTHDAY QUEEN Birthday Sash for Women Tiaras for Girls Decorations Set Rhinestone Headband Hair Accessories Glitter Crown for Party Supplies
COCIDE$11.24412 rev
Trending
90-day click momentum
Papoopy Birthday Tiara and Crown with Sash for Women Hair Accessories for Wedding Party Costume (A1)
Papoopy$6.954.7★
COCIDE Birthday Queen Sash & Rhinestone Tiara Set Gold Happy Birthday Crowns for Women Party Decoration Kit Rhinestone Headband for Women Glitter Crystal Hair Accessories for Cake Topper
COCIDE$10.864.7★
CIEHER 40th Birthday Crown + Sash + Pearl Pin Set for Women Tiara Gifts for Friends Party Decorations & Favors
CIEHER$9.384.8★
Princess Birthday Tiara - Happy Crown for Girls & Women Decorative Accessory
VELSCRUN$10.154.7★
Papoopy Birthday Headband with Sash for Women Birthday Crwon Tiara for Decorations
Papoopy$5.134.6★
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -12.0% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 2.2×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“This is a great quality set”
“Good value”
“It fits”
“Exactly as pictured”
“The color was very pretty”
“Sparkling and shining brightly”
“it still stayed on”
“the tiara is very sturdy”
“Good birthday gift”
“It's beautiful - a bit heavier than I anticipated”
What buyers complain about
“cheap product”
“Breaks easy”
“Too tight for me”
“Very heavy”
“Shash is a little cheap”
“it is uncomfortable to wear for more than two minutes”
“glitter gets everywhere”
“The brown recycle is not sturdy enough”
“could not be use”
“she said it was itchy so only wore it for some pictures”