little mermaid costume toddler
Skip itWeak search conversion (0.5%) — this niche doesn't clear our bar today.
Avg price
Incredible$25.81avg listing price — sweet spot $15–$100
Price range
Great$9.65–$53.12cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Great59%top-5 brand share — no brand owns this niche
Competition
Good46%top-5 click share — leaders hold, buyers still browse
Review moat
Okay2,076avg incumbent reviews — the moat a new listing must climb
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Returns
Okay5.8%return rate — above 6% kills the launch gate
Market size
Bad$51K$51K/yr · 417K searches
Growth
Bad-25.9%90-day search growth — must beat 0% to launch
Conversion
Bad0.5%search→purchase rate — share of searches ending in a sale
Competition
The top 5 products take 46% of clicks — established leaders, but buyers still shop beyond them.Brands
21 falling
Sellers
29
Top-5 brand share
59%
Open market
35%
- Fylytota19%
- Fun Costumes13%
- Disney12%
- Joy Join9%
- iTVTi6%
- Yosbabe6%
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 37 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Fylytota Girls Mermaid Dress Little Mermaid Costume Princess Sequin Sling Tutu Dress for Toddler Kids Birthday Party Turquoise
Fylytota$25.124.8★39 rev
Fun Costumes - Disney The Little Mermaid Ariel Costume Princess of the Sea for Fantasy Cosplay Beach Theme Party & Dress Up Small
Fun Costumes$53.124.2★78 rev
Joy Join Little Mermaid Costume for Little Girls Dress Up 3T 4T
Joy Join$23.124.5★3,973 rev
iTVTi Little Girls Mermaid Costume Princess Dress Up Ariel Outfits with Accessories Wig Birthday Party Halloween Cosplay Blue 4-5 Years(Tag 120)
iTVTi$25.714.6★674 rev
Disney Girls Princess Fantasy Gown Nightgown AURORA 6
Disney$20.024.8★21,893 rev
Newest
by launch date
Disney Little Mermaid Girls Princess Dress Nightgown Fantasy Gown Soft & Cute Pajamas for Kids
Disney$25.4821,893 rev
Disney Princess Ariel Toddler Girl 2 Piece Outfit Short Sleeve Skirt Set Ruffle Top & Skort Soft Birthday Party Dress Sets Character Print Summer Holiday Clothes Kids Casual Gift Pink 4-5T
PATPAT$19.2392 rev
G.C Mermaid Costume for Girls Ages 2-7 Blue Dress Up Set with Wig Crown Wand Princess Party Halloween Birthday Cosplay Outfit
G.C$27.7832 rev
Disney Princess Ariel Toddler Girl Dresses 2 Pack Purple Green Ruffle Sleeve Costume & Pink Sleeveless Sundress Set Birthday Summer Outfits Clothes 3T
Disney$28.02424 rev
Meland Mermaid Costume for Girls - Light Up Halloween Costume for Kids Toddler 3-10 Princess Dress Up for Girl Birthday Gift Mermaid Dress for Girls Aged 3-10 Years Old (5-6 Years)
Meland$25.68102 rev
Trending
90-day click momentum
Disney Princess Ariel Toddler Girls T-Shirt and Metallic Skirt Outfit Set Black/Pink Ariel 3T
Disney$23.434.0★
Mermaid Princess Costume Princess Dress Up Blue Ball Gown with Hairbow for Adult Women (XS)
Saniplaycos$35.153.9★
Disney Little Mermaid Girls Princess Dress Nightgown Fantasy Gown Soft & Cute Pajamas for Kids
Disney$25.484.8★
Fylytota Girls Mermaid Dress Little Mermaid Costume Princess Sequin Sling Tutu Dress for Toddler Kids Birthday Party Turquoise
Fylytota$25.124.8★
Disney Princess Ariel Toddler Girl Dresses 2 Pack Purple Green Ruffle Sleeve Costume & Pink Sleeveless Sundress Set Birthday Summer Outfits Clothes 3T
Disney$28.024.8★
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -25.9% search growth over the last 90 days.Peak months: Sep, Oct · busiest ÷ quietest = 11.4×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Great fit”
“It is made beautiful”
“Its totally worth it”
“This was a gift for a little girl”
“great material”
“the accessories super cute”
“The costume was fun for her”
“Durable”
“it seems like it is sewed well”
“Exactly as described”
What buyers complain about
“Runs very small”
“Broke as soon as my daughter tried it on”
“accessories were not good quality”
“Item is not as advertised”
“Ruffles on puffed sleeves leaves brush burn rash”
“it was not sewn well at all”
“its thin material and Id say runs a little small more of a 2-3 bit a 3-4”
“uncomfortable”
“Def will shrink in the dryer”
“I do wish the red hair was a little less ultra fake vibrant”