rosalina costume
Worth a lookShows a thin review moat (85 avg reviews), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Review moat
Incredible84.92avg incumbent reviews — the moat a new listing must climb
Avg price
Incredible$33.41avg listing price — sweet spot $15–$100
Price range
Great$13.12–$57.95cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Great+86.2%90-day search growth — must beat 0% to launch
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Competition
Good52%top-5 click share — leaders hold, buyers still browse
Brand share
Good73%top-5 brand share — brands hold most of the demand
Returns
Okay4.0%return rate — above 6% kills the launch gate
Market size
Okay$101K$101K/yr · 393K searches
Conversion
Bad0.8%search→purchase rate — share of searches ending in a sale
Competition
The top 5 products take 52% of clicks — established leaders, but buyers still shop beyond them.Brands
17 falling
Sellers
36
Top-5 brand share
73%
Open market
22%
- The Super Mario Galaxy Movie34%
- Szytypyl12%
- Binbo11%
- Mukola9%
- Anjite7%
- ZIW5%
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 26 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
The Super Mario Galaxy Movie Girls Fantasy Gown Nightgown ROSALINA FANTASY GOWN 3T
The Super Mario Galaxy Movie$24.014.9★34 rev

Binbo Princess Rosalian Costume Dress kids Grils Halloween Cosplay Birthday Party Outfit 5-6Y
Binbo$35.434.8★26 rev

Szytypyl Princess Rosalina Costume for Girls One Shoulder Fancy Dress Gowns with Accessories Green
Szytypyl$39.604.9★27 rev

Mukola Kids Princess Costume Girls Galaxy Movie Off Shoulder Fancy Dress with Crown Wand Accessories Cosplay Party
Mukola$35.293.9★15 rev

ZIW Princess Rosalina Costume Kids Girls Blue Dress with Wig Wand Crown Earrings Plush Galaxy Princess Outfit for Halloween Party Dress Up ZW264L
ZIW$39.694.5★14 rev
Newest
by launch date
Anjite Girls Galaxy Princess Rosalina Costume Kids Royal Dress Up with Teal Maxi Dress Wig Crown Wand Earrings for Halloween AJ097L
Anjite$40.668 rev

Girls Princess Rosalina Costume Dress with Accessories Blue Princess Dress with Wig Wand Crown Earrings and Star Earrings AJ081M
Anjite$36.963 rev

Szytypyl Princess Rosalina Costume for Girls One Shoulder Fancy Dress Gowns with Accessories Green
Szytypyl$39.6027 rev

Szytypyl Princess Rosalina Costume for Girls One Shoulder Fancy Dress Gowns with Accessories Green
Szytypyl$38.9427 rev

Binbo Grils Princess Rosalian Costume Dress kids Halloween Cosplay Birthday Party Outfit 11-12Y
Binbo$38.073 rev
Trending
90-day click momentum
Anjite Girls Galaxy Princess Rosalina Costume Kids Royal Dress Up with Teal Maxi Dress Wig Crown Wand Earrings for Halloween AJ097L
Anjite$40.664.7★

IDOTTA Girls Princess Costume for Kids Cosplay Fancy Dress up with Crown Magic Wand
IDOTTA$26.992.0★

CPHDXU Princess Costume Dress for Girls Birthday Halloween Cosplay Dress Up With Crown Earrings Brooch Star Stick Accessories (11Years-12Years)
CPHDXU$34.295.0★

Szytypyl Princess Rosalina Costume for Girls One Shoulder Fancy Dress Gowns with Accessories Green
Szytypyl$39.604.9★

Girls Princess Rosalina Costume Dress with Accessories Blue Princess Dress with Wig Wand Crown Earrings and Star Earrings AJ081M
Anjite$36.964.0★
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +86.2% search growth over the last 90 days.Peak months: Apr, Sep, Oct · busiest ÷ quietest = 17.3×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Shirt is of decent quality”
“It fits perfect”
“Durable material and very reliable”
“Durable material and very reliable”
“Well worth the money”
“The dress is silky soft. it's wrinkled in the photo”
“It is easy to put on”
“Print quality / design - see photos”
“I love how they designed this”
What buyers complain about
“But my grand daughter was so sad that it didnt fit”
“gets glitter everywhere”
“Inaccurate picture”
“Size up, this shirt must have been somebody else return, the tag inside is faded”
“gems fell off easy”
“Waste of time and money”
“Very bad quality”