baby astronaut costume
Skip itHigh returns (12.7%) — this niche doesn't clear our bar today.
Avg price
Great$20.98avg listing price — sweet spot $15–$100
Price range
Great$9.78–$32.36cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Good66%top-5 brand share — brands hold most of the demand
Competition
Good47%top-5 click share — leaders hold, buyers still browse
Review moat
Okay3,205.03avg incumbent reviews — the moat a new listing must climb
Conversion
Okay2.5%search→purchase rate — share of searches ending in a sale
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Growth
Bad-23.7%90-day search growth — must beat 0% to launch
Market size
Bad$24K$24K/yr · 45K searches
Returns
Bad12.7%return rate — above 5% kills the launch gate
According to Flapen's Amazon United States niche tracking, baby astronaut costume is a $24K/yr Amazon United States market (45K searches/yr). The top 5 brands hold 66% of demand. Demand peaks in Sep–Oct. Verdict: Skip it — 34/100.
Data updated Jul 8, 2026 · scored weekly · How we score niches
baby astronaut costume market data
- Units sold / yr
- 500–750
- avg 0–100/product
- Revenue / yr
- $10K–$16K
- units × avg price
- Conversion rate
- 2.5%
- Avg BSR
- #1,098
- Page quality
- 0%
- Prime
- 91%
- Sponsored
- 88%
- Out of stock
- 13.5%
- Avg brand age
- 41 months
- Avg seller age
- 196 days
Competition & brand share
The top 5 products take 47% of clicks — established leaders, but buyers still shop beyond them.Brands
22 flat
Sellers
38
Top-5 brand share
66%
Top 20: 99%
Top-5 click share
47%
Top 20: 86%
Open market
30%
- Cuddle Club17%
- OLLULL16%
- Happidoo15%
- Singcoco10%
- Jsiicennf8%
- BUMPEXPAND5%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -23.7% search growth over the last 90 days.Peak months: Sep, Oct · busiest ÷ quietest = 14.8×
Top baby astronaut costume search terms
- baby astronaut outfit8K/yr
- baby astronaut costume21K/yr
- astronaut costume for baby5K/yr
- infant astronaut costume4K/yr
- astronaut baby outfit2K/yr
- astronaut costume baby3K/yr
- astronaut baby costume3K/yr
Top baby astronaut 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
Happidoo Baby Boy 1st Birthday Outfit One Year Old Birthday Clothes Boy Astronaut Romper (White 12-18 Months)
Happidoo$16.594.6★355 rev
Singcoco Baby Boy Girl Halloween Costume Outfit Infant Astronaut Costume (White 12-18 Months)
Singcoco$15.454.7★589 rev
OLLULL Baby Astronaut Costumes Unisex Toddler Space Suit Halloween Dress Up Romper Pilot Costume(White 6-12 Months)
OLLULL$26.094.8★5,085 rev
Cuddle Club Astronaut Fleece Baby Bunting Bodysuit Hood Convertible Mittens Booties Zipper Breathable NASA Baby Romper
Cuddle Club$29.114.8★1,384 rev
Jsiicennf Baby Boy Girls Toddler Astronaut Costume Space Suit Cosplay Dress-up Party Jumpsuit Halloween Rompers
Jsiicennf$21.454.6★107 rev
Newest
by launch date
CREAIRY Two The Moon Toddler Baby Boy 2nd Birthday Outfit Astronaut Rocket Short Sleeve T-Shirt Shorts Set Summer Clothes (Apricot 2-3T)
CREAIRY$14.801 rev
Mieeyali Baby Boys 1st Birthday Outfit Planet Astronaut Sweatshirt Jogger Pants One Year Old Boy Birthday Sweatsuit (Blue 12-18 Months)
Mieeyali$18.2226 rev
IBTOM CASTLE Toddler Baby Boy First Trip Around the Sun Outfit One Birthday T-Shirt + Short Overalls Jumpsuit + Hat Explorer Clothes Set Cake Smash Photoshoot Newborn Infant Navy Blue 12-18 Months
IBTOM CASTLE$19.8715 rev
BUMPEXPAND 1st Birthday Outfit for Baby Boy First Birthday Space First Trip Around The Sun Outfit for One Year Old Boy Romper (Muticolor 12-18 Months)
BUMPEXPAND$16.3752 rev
BUMPEXPAND 1st Birthday Outfit for Baby Boy First Birthday Space First Trip Around The Sun Outfit for One Year Old Boy Romper (Muticolor 6-12 Months)
BUMPEXPAND$16.5152 rev
Trending
90-day click momentumCREAIRY Two The Moon Toddler Baby Boy 2nd Birthday Outfit Astronaut Rocket Short Sleeve T-Shirt Shorts Set Summer Clothes (Apricot 2-3T)
CREAIRY$14.805.0★
Cuddle Club Astronaut Fleece Baby Bunting Bodysuit Hood Convertible Mittens Booties Zipper Breathable NASA Baby Romper
Cuddle Club$28.384.8★
Gerber Baby Boys 4 Pack N Play Footie And Toddler Sleepers Space Newborn US
Gerber$26.004.7★
Cuddle Club Astronaut Fleece Baby Bunting Bodysuit Hood Convertible Mittens Booties Zipper Breathable NASA Baby Romper
Cuddle Club$28.404.8★
IBTOM CASTLE Toddler Baby Boy First Trip Around the Sun Outfit One Birthday T-Shirt + Short Overalls Jumpsuit + Hat Explorer Clothes Set Cake Smash Photoshoot Newborn Infant Navy Blue 12-18 Months
IBTOM CASTLE$19.875.0★
What buyers say about baby astronaut costume
What buyers praise and complain about, mined from review topics.What buyers love
“Fits great”
“The patches attached are good quality and detailed”
“The material is soft”
“comfortable”
“Cute gift for baby shower”
“It feels cozy without being too heavy, which makes it ideal for fall and winter weather”
“As described”
“Great value—cute set”
“The material is soft, warm, and very comfortable for baby skin”
“The jogger pants fit nicely with the stretchy waistband”
What buyers complain about
“Pants were a little longer large for my 12 months old”
“It is thinner material”
“Additionally the legs do not have enough space for my baby to fully extend. all other NB onesies I have do”
“Arrived Stained With Black Dye”
“- Fabric quality is on the lighter side”
“Poor quality”
“runs small, especially around the neck”
“Shrinks and runs small”
“the overall set looks much more expensive than expected”
“there isn't much flexibility here”
Top return reasons
Common questions
- Is baby astronaut costume profitable to sell on Amazon United States?
- The niche generates $24K/yr across 34 tracked products. 0 of 4 products launched in the last 360 days are still selling. 90-day search growth is -23.7%. Flapen's verdict: Skip it (34/100).
- How competitive is the baby astronaut costume niche?
- 22 brands and 38 sellers compete. The top 5 products take 47% of clicks and top 5 brands hold 66% of demand.
- What do buyers complain about in baby astronaut costume?
- Top complaints mined from reviews: Size-Overall, Thickness, Stretchability/Expandability/Elasticity. The return rate is 12.7% — above our launch gate.
- When does demand for baby astronaut costume peak?
- Demand peaks in Sep–Oct; the busiest month runs 14.8× the quietest.
- What does it cost to enter the baby astronaut costume niche?
- Listings span $9.78–$32.36; the average listing price is $20.98 (sweet spot $15–$100). The average incumbent carries 3,205 reviews — the moat a new listing must climb.