costumes for kids
Worth a lookShows no brand lock-in (top 5 brands take 33% of clicks), but weak search conversion (0.4%) keeps it on the watch list.
Brand share
Incredible33%top-5 brand share — no brand owns this niche
Avg price
Incredible$38.18avg listing price — sweet spot $15–$100
Competition
Great22%top-5 click share — an open shelf
Price range
Good$9.95–$126.46cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Good$570K$570K/yr · 3.7M searches
Review moat
Okay2,545.98avg incumbent reviews — the moat a new listing must climb
Returns
Okay4.7%return rate — above 6% kills the launch gate
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Growth
Bad-27.5%90-day search growth — must beat 0% to launch
Conversion
Bad0.4%search→purchase rate — share of searches ending in a sale
Competition
Clicks spread well past the top 5 (22% combined) — an open shelf where new products get seen.Brands
64 rising
Sellers
110
Top-5 brand share
33%
Open market
63%
- YuanLu10%
- Jazwares Costume Play7%
- Marvel7%
- Yavakoor5%
- Davvew4%
- Rubies4%
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 100 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Marvel Unisex Child Kids 2-piece Snug-fit Cotton Pajama Set Spider Costume 6 US
Marvel$13.734.7★3,269 rev

YuanLu Kids Suits for Boys Navy Blue Boy Suit Slim Fit Ring Bearer Outfit Wedding Guest Dresswear Toddler Tuxedo Size 2T
YuanLu$45.704.4★7,269 rev

Davvew Little Girls Dress Sequin Pink Rainbow Dress Flower Girl Dress Easter Dress Light up Princess Dresses for Toddler Girls Kids Costume for Brithday Wedding Party
Davvew$34.494.6★208 rev

Marvel Integrated Spider-Man Official Youth Deluxe Zentai Costume - Deluxe Two-Way Stretch Spandex with Invisible Zippers and Wrist Openings for Added Convenience (M)
Jazwares Costume Play$42.564.5★1,853 rev

Elite Sports IBJJF Ultra Light BJJ Brazilian Jiu Jitsu Gi for Kids with Preshrunk Fabric and Free Belt (Black 1)
Elite Sports$43.464.8★5,654 rev
Newest
by launch date
Marvel Unisex Child Kids 2-piece Snug-fit Cotton Pajama Set Spider Costume 6 US
Marvel$13.733,269 rev

Mistletoe unicorn Kids Flannel demogorgon Onesie Pajamas Black
Mistletoe unicorn$29.2975 rev

Mistletoe unicorn Kids Flannel demogorgon Onesie Pajamas Black
Mistletoe unicorn$29.7875 rev

Hidany Girls Ballet Leotards Tutu Dress Dance Costume Kids Spaghetti Strap Butterfly Dance Tutu Unitard (4-5T XY014-Pink)
Hidany$19.7510 rev

Boys Black Suit 5 Pieces Slim Fit Kids Formal Tuxedo Suit Set for Wedding Ring Bearer Easter First Communion Confirmation Graduation Teen Boys Size 12
ELPA ELPA BORN FOR ALL WONDERFUL THINGS$55.55282 rev
Trending
90-day click momentum
YuanLu Boys Slim Fit Suits Toddler Tuxedo for Kids Homecoming Black Dress Formal Wear Wedding Ring Bearer Outfit Easter Boys Suit Size 6
YuanLu$53.324.4★

Toddler Boys Formal Suits Ring Bearer Outfit Hot Pink Kids Tuxedo Slim fit Dress Clothes Homecoming Dresswear 5 Pieces Baby Boy Suits Size 2T
YuanLu$45.104.6★

FFNXKLDZSW Kids Onesie Pajamas Animal Cosplay Costumes Sleepwear Halloween Costumes for Girl(10-12 Years)
FFNXKLDZSW$21.524.7★

MrSure Mens 3 Piece Suit Blazer Slim Fit Tux with 2 Button Jacket Vest Pants & Tie Set for Party Wedding and Business Black
MrSure$63.044.4★

Andes Safety Hazmat Suit Heavy Duty Full Body Disposable Paint Suit Coverall with Hood Elastic Wrists and Ankles (XL)
Andes Safety$9.954.6★
Demand & seasonality
Weekly Amazon search volume, last 88 weeks — -27.5% search growth over the last 90 days.Peak months: Sep, Oct, Nov · busiest ÷ quietest = 36.3×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“A+ Quality”
“Fit as expected”
“Imaginative play”
“Good value for money”
“Great gift”
“Material is soft”
“Looks as pictured”
“Easy to use”
“very durable material”
“They are comfortable”
What buyers complain about
“Cheap quality”
“Little big”
“Breaks easily”
“it doesn't seem the material will last”
“The price is a little much”
“The item came used”
“Not as advertised”
“The seams are coming apart”
“Flimsy”
“Purse strap broke first day”