baby alien costume
Skip itA small market ($20K/yr) — this niche doesn't clear our bar today.
Avg price
Incredible$30.27avg listing price — sweet spot $15–$100
Price range
Great$11.01–$51.23cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Good42%top-5 click share — leaders hold, buyers still browse
Review moat
Good811.14avg incumbent reviews — the moat a new listing must climb
Growth
Good+23.4%90-day search growth — must beat 0% to launch
Brand share
Good74%top-5 brand share — brands hold most of the demand
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Conversion
Bad0.7%search→purchase rate — share of searches ending in a sale
Returns
Bad9.8%return rate — above 5% kills the launch gate
Market size
Bad$20K$20K/yr · 96K searches
According to Flapen's Amazon United States niche tracking, baby alien costume is a $20K/yr Amazon United States market (96K searches/yr). The top 5 brands hold 74% of demand. Demand peaks in Sep–Oct. Verdict: Skip it — 43/100.
Data updated Jul 8, 2026 · scored weekly · How we score niches
baby alien costume market data
- Units sold / yr
- 500–750
- avg 0–100/product
- Revenue / yr
- $15K–$23K
- units × avg price
- Conversion rate
- 0.7%
- Avg BSR
- #2,452
- Page quality
- 0%
- Prime
- 69%
- Sponsored
- 79%
- Out of stock
- 8.9%
- Avg brand age
- 43 months
- Avg seller age
- 188 days
Competition & brand share
The top 5 products take 42% of clicks — established leaders, but buyers still shop beyond them.Brands
15 falling
Sellers
22
Top-5 brand share
74%
Top 20: 100%
Top-5 click share
42%
Top 20: 87%
Open market
19%
- Cuddle Club23%
- Fun Costumes17%
- AuHomea12%
- Morph11%
- HSCTEK10%
- UNDERWRAPS8%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +23.4% search growth over the last 90 days.Peak months: Sep, Oct · busiest ÷ quietest = 83.9×
Top baby alien costume search terms
- baby alien costume39K/yr
- toddler alien costume23K/yr
- alien costume toddler10K/yr
- alien baby costume7K/yr
- alien costume baby7K/yr
- alien toddler costume4K/yr
- infant alien costume5K/yr
- baby alien costume 12-18 months620/yr
Top baby alien 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
Cuddle Club Fleece Baby Bunting Bodysuit Infant One Piece Kids Hooded Romper Outerwear Toddler Jacket
Cuddle Club$33.164.7★19,034 rev
Disney Pixar Toy Story Alien Baby Costume - Plush Jumpsuit with Hood Gloves & Booties - Officially Licensed 6/9mo
Fun Costumes$51.234.2★7 rev
Morph Plush Baby Alien Costume Kids Unisex Toddler Alien Costume Halloween Costumes for Kids 6-12 months
Morph$28.865.0★1 rev
AuHomea Green Alien Head Newborn Baby Romper Clothing Cute Infant Long Sleeve Clothes Jumpsuit Playsuit One Piece Outfit for 0-3M Boy Girl
AuHomea$18.764.3★86 rev
AuHomea Green Alien Head Newborn Baby Romper Clothing Cute Infant Long Sleeve Clothes Jumpsuit Playsuit One Piece Outfit for 6-9M Boy Girl
AuHomea$18.744.3★86 rev
Newest
by launch dateMorph Plush Baby Alien Costume Kids Unisex Toddler Alien Costume Halloween Costumes for Kids 6-12 months
Morph$28.861 rev
Morph Plush Baby Alien Costume Kids Unisex Toddler Alien Costume Halloween Costumes for Kids 1-2 years
Morph$28.651 rev
Morph Plush Baby Alien Costume Kids Unisex Toddler Alien Costume Halloween Costumes for Kids 3-4 Years
Morph$29.111 rev
Infant Disney Toy Story Alien Bubble Costume with Tunic Headpiece and Mitts - Space Themed Halloween Outfit for Kids 0/3 Months
Fun Costumes$50.105 rev
Disney Pixar Toy Story Alien Baby Costume - Plush Jumpsuit with Hood Gloves & Booties - Officially Licensed 6/9mo
Fun Costumes$51.237 rev
Trending
90-day click momentumAuHomea Green Alien Head Newborn Baby Romper Clothing Cute Infant Long Sleeve Clothes Jumpsuit Playsuit One Piece Outfit for 6-9M Boy Girl
AuHomea$18.744.3★
HSCTEK Alien Onesie Costume Kids Toddler Cute Space Pajamas Pjs Blanket Clothes 4T
HSCTEK$30.244.6★
Girl Shiny Metallic Dress Toddler Sleeveless Holographic 80s Sparkly Dance Outfits Kids Alien Space Pleated Skirt Carnival Rave Twirl Swing Dress 90s Prom Skater Mini Dress Green 3-4 Years
IBAKOM$25.514.4★
AuHomea Green Alien Head Newborn Baby Romper Clothing Cute Infant Long Sleeve Clothes Jumpsuit Playsuit One Piece Outfit for 0-3M Boy Girl
AuHomea$18.764.3★
nmuauycu Unisex Kids Aliens Onesie PajamasPolar Fleece Cosplay Animal Onesie Halloween Costume and Homewear
nmuauycu$23.904.4★
What buyers say about baby alien costume
What buyers praise and complain about, mined from review topics.What buyers love
“It was easy to use and absolutely precious,”
“So cute and great quality”
“It fit perfectly on her carrier”
Top return reasons
Common questions
- Is baby alien costume profitable to sell on Amazon United States?
- The niche generates $20K/yr across 29 tracked products. 0 of 6 products launched in the last 360 days are still selling. 90-day search growth is +23.4%. Flapen's verdict: Skip it (43/100).
- How competitive is the baby alien costume niche?
- 15 brands and 22 sellers compete. The top 5 products take 42% of clicks and top 5 brands hold 74% of demand.
- When does demand for baby alien costume peak?
- Demand peaks in Sep–Oct; the busiest month runs 83.9× the quietest.
- What does it cost to enter the baby alien costume niche?
- Listings span $11.01–$51.23; the average listing price is $30.27 (sweet spot $15–$100). The average incumbent carries 811 reviews — the moat a new listing must climb.