unicorn costume
Skip itWeak search conversion (0.6%) — this niche doesn't clear our bar today.
Avg price
Incredible$25.80avg listing price — sweet spot $15–$100
Brand share
Great46%top-5 brand share — no brand owns this niche
Price range
Great$9.87–$37.81cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Great39%top-5 click share — an open shelf
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Review moat
Okay1,980.86avg incumbent reviews — the moat a new listing must climb
Market size
Okay$131K$131K/yr · 833K searches
Growth
Bad-1.9%90-day search growth — must beat 0% to launch
Returns
Bad6.5%return rate — above 5% kills the launch gate
Conversion
Bad0.6%search→purchase rate — share of searches ending in a sale
According to Flapen's Amazon United States niche tracking, unicorn costume is a $131K/yr Amazon United States market (833K searches/yr). The top 5 brands hold 46% of demand. Demand peaks in Sep–Oct. Verdict: Skip it — 47/100.
Data updated Jul 10, 2026 · scored weekly · How we score niches
unicorn costume market data
- Units sold / yr
- 10K–13K
- avg 100–250/product
- Revenue / yr
- $258K–$323K
- units × avg price
- Conversion rate
- 0.6%
- Avg BSR
- #22,556
- Page quality
- 0%
- Prime
- 95%
- Sponsored
- 95%
- Out of stock
- 17.0%
- Avg brand age
- 45 months
- Avg seller age
- 173 days
Competition & brand share
Clicks spread well past the top 5 (39% combined) — an open shelf where new products get seen.Brands
28 falling
Sellers
30
Top-5 brand share
46%
Top 20: 92%
Top-5 click share
39%
Top 20: 76%
Open market
49%
- HQFURS17%
- NewPlush11%
- Spooktacular Creations6%
- NewCute6%
- ABENCA5%
- CHETOSHO5%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -1.9% search growth over the last 90 days.Peak months: Sep, Oct · busiest ÷ quietest = 34.9×
Top unicorn costume search terms
- unicorn costume257K/yr
- unicorn costume adult90K/yr
- unicorn costume for girls 4-640K/yr
- unicorn costume for girls167K/yr
- adult unicorn costume42K/yr
- unicorn costume for women19K/yr
- unicorn costume kids22K/yr
- unicorn halloween costumes for girls6K/yr
- disfraz de unicornio para nia12K/yr
- unicorn adult costume14K/yr
Top unicorn costume 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
HQFURS Kids Unisex Unicorn Costume Animal Onesie Pajamas Halloween Christmas Gifts 6t
HQFURS$24.204.5★2,757 rev
NewPlush Unicorn Costumes Animal Pajama Halloween Cosplay New Star Unicorn Kids-4
NewPlush$23.164.5★2,146 rev
Unisex Adult Unicorn Onesie Cosplay Onesie One Piece Pajamas Halloween Costume Large
NewCute$24.854.2★83 rev
Hifot Unicorn Costumes for Girl Unicorn Birthday Tutu Dress with Unicorn Wings Headband for Christmas Gifts Party Outfit
Hifot$13.834.5★485 rev
Tutu and Sian Unicorn Birthday Outfit for Girls - Shirt Tutu Skirt Dress Birthday Girl Crown Hair Bow & Satin Sash (Unicorn 4Y 4-5 Years)
Tutu and Sian$28.524.8★542 rev
Newest
by launch date
AMAMHAHAVA Unicorn Costumes Halloween Unicorn Onesie for Adults Cartoon Animal Christmas Cosplay One-piece Pajamas
AMAMHAHAVA$35.033 rev
KOOY Inflatable Unicorn Costume Kid Ride on Unicorn Costume Blow up for Child Size Halloween Costumes for Kids Party Girls
KOOY$24.55134 rev
Fedio Princess Dress up for Girls Unicorn Light up Princess Cape Set Light up Princess Dress with Unicorn Toys for Girls 3-8 Halloween Pink
Fedio$18.25626 rev
Funziez! Slim Fit Adult Onesie - Animal Halloween Costume - Plush Unisex One Piece Cosplay Suit for Women and Men Unicorn
Funziez!$31.4814,484 rev
QUERITU Pink Unicorn Adult Onesie Pajamas - Unisex Halloween Animal Cosplay Costume Sleepwear - Comfy One-Piece Suit for Men & Women
QUERITU$28.09299 rev
Trending
90-day click momentumUnisex Adult Unicorn Onesie Cosplay Onesie One Piece Pajamas Halloween Costume Large
NewCute$24.854.2★
AMAMHAHAVA Unicorn Costumes Halloween Unicorn Onesie for Adults Cartoon Animal Christmas Cosplay One-piece Pajamas
AMAMHAHAVA$35.033.5★
CHETOSHO Girls Unicorn Onesie Hooded Animal Costume for Girls Oblique stripe starry pink 9-10 Years
CHETOSHO$25.524.8★
ABENCA Fleece Unicorn Onesie Adult Pajamas for Women Cartoon Animal Christmas Halloween Cosplay Onepiece Costume Sky Unicorn L
ABENCA$28.364.2★
NewPlush Unisex Unicorn Costumes Pyjamas Adult Women Men Animal Cosplay Onesie
NewPlush$26.954.2★
What buyers say about unicorn costume
What buyers praise and complain about, mined from review topics.What buyers love
“Excellent quality and easy to put on”
“Great fit”
“Imaginative play”
“The was such a great gift for my little niece”
“It is shiny”
“Perfect just as advertised”
“Its beautiful and easy to use”
“It's beautiful and very comfortable”
“Great for the price”
“Warm in the cold”
What buyers complain about
“Size issue”
“I came used”
“It was very cheap made”
“the earrings fell apart within seconds of opening”
“Poor air circulation”
“Itchy”
“Poorly Constructed”
“Useless back butt zipper”
“They strings kept coming undone”
“Unfortunately the little gift recipient doesnt like it because its texture is irritating to her”
Top return reasons
Common questions
- Is unicorn costume profitable to sell on Amazon United States?
- The niche generates $131K/yr across 42 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -1.9%. Flapen's verdict: Skip it (47/100).
- How competitive is the unicorn costume niche?
- 28 brands and 30 sellers compete. The top 5 products take 39% of clicks and top 5 brands hold 46% of demand.
- What do buyers complain about in unicorn costume?
- Top complaints mined from reviews: Size-Overall, Product Condition, Quality-Overall. The return rate is 6.5% — above our launch gate.
- When does demand for unicorn costume peak?
- Demand peaks in Sep–Oct; the busiest month runs 34.9× the quietest.
- What does it cost to enter the unicorn costume niche?
- Listings span $9.87–$37.81; the average listing price is $25.80 (sweet spot $15–$100). The average incumbent carries 1,981 reviews — the moat a new listing must climb.