spongebob costume kids
Skip itA small market ($8K/yr) — this niche doesn't clear our bar today.
Avg price
Incredible$29.07avg listing price — sweet spot $15–$100
Review moat
Great290.69avg incumbent reviews — the moat a new listing must climb
Price range
Great$5.42–$83.06cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Great33%top-5 click share — an open shelf
Brand share
Good74%top-5 brand share — brands hold most of the demand
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Growth
Bad-9.9%90-day search growth — must beat 0% to launch
Returns
Bad7.0%return rate — above 5% kills the launch gate
Conversion
Bad0.2%search→purchase rate — share of searches ending in a sale
Market size
Bad$8K$8K/yr · 141K searches
According to Flapen's Amazon United States niche tracking, spongebob costume kids is a $8K/yr Amazon United States market (141K searches/yr). The top 5 brands hold 74% of demand. Demand peaks in Sep–Oct. Verdict: Skip it — 38/100.
Data updated Jul 10, 2026 · scored weekly · How we score niches
spongebob costume kids market data
- Units sold / yr
- 1K–1K
- avg 0–100/product
- Revenue / yr
- $29K–$36K
- units × avg price
- Conversion rate
- 0.2%
- Avg BSR
- #2,240
- Page quality
- 0%
- Prime
- 82%
- Sponsored
- 56%
- Out of stock
- 18.6%
- Avg brand age
- 36 months
- Avg seller age
- 180 days
Competition & brand share
Clicks spread well past the top 5 (33% combined) — an open shelf where new products get seen.Brands
15 rising
Sellers
32
Top-5 brand share
74%
Top 20: 100%
Top-5 click share
33%
Top 20: 78%
Open market
21%
- SPONGEBOB SQUAREPANTS27%
- Jazwares Costume Play24%
- Nickelodeon11%
- Spirit Halloween7%
- Rubies6%
- Zando5%
Demand & seasonality
Weekly Amazon search volume, last 91 weeks — -9.9% search growth over the last 90 days.Peak months: Sep, Oct · busiest ÷ quietest = 86.8×
Top spongebob costume kids search terms
- spongebob costume kids117K/yr
- kids spongebob costume16K/yr
- toddler spongebob costume8K/yr
Top spongebob costume kids 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
SPONGEBOB SQUAREPANTS One-Piece Pajamas for Kids 514 years Hooded Fleece Jumpsuit Loungewear Gifts for Girls Boys (13-14 Years Yellow)
SPONGEBOB SQUAREPANTS$34.584.4★60 rev
SpongeBob SquarePants Official Youth Deluxe Halloween Costume - Premium Quality Square Pullover with Shorts and Socks (L)
Jazwares Costume Play$39.304.6★46 rev
Spongebob Square Pants Little Girls Tulle Tutu Costume Dress- Sizes XS-XL Bright Yellow
SPONGEBOB SQUAREPANTS$29.615.0★15 rev
SpongeBob SquarePants Official Toddler Halloween Costume - Premium Quality Foam Backed Top plus Pants with Boot Tops (3T-4T)
Jazwares Costume Play$35.124.9★44 rev
Zando Knee High Tube Socks Kids Classic Triple Stripes Soft Athletic Children Halloween Cosplay Socks for Boys Girls 1 Pairs White Blue Red 4-6 Years
Zando$5.424.6★3,039 rev
Newest
by launch date
SpongeBob SquarePants Patrick Official Youth Onesie Halloween Costume - Premium Quality Onesie Jumpsuit (M)
Jazwares Costume Play$19.5962 rev
Spongebob Squarepants Kids Costume Mask with Elastic Strap and Foam Padding for Halloween and Dress Up Standard Multicolor
Jazwares Costume Play$10.764 rev
SPONGEBOB SQUAREPANTS One-Piece Pajamas for Kids 514 years Hooded Fleece Jumpsuit Loungewear Gifts for Girls Boys (13-14 Years Yellow)
SPONGEBOB SQUAREPANTS$34.5860 rev
SpongeBob SquarePants Official Youth Deluxe Halloween Costume - Premium Quality Square Pullover with Shorts and Socks (L)
Jazwares Costume Play$39.3046 rev
SpongeBob SquarePants Official Toddler Halloween Costume - Premium Quality Foam Backed Top plus Pants with Boot Tops (3T-4T)
Jazwares Costume Play$35.1244 rev
Trending
90-day click momentum
Bellabu Bear SpongeBob SquarePants Rayon from Bamboo Convertible Footie for Baby Boys & Girls (Good VIbes 9-12 Months)
Bellabu Bear$38.335.0★
Unisex Onesie Kids Animal Pajamas Halloween Christmas Cosplay Costume(8-10Years)
Unicorns Angels$23.424.6★
SPONGEBOB SQUAREPANTS One-Piece Pajamas for Kids 514 years Hooded Fleece Jumpsuit Loungewear Gifts for Girls Boys (13-14 Years Yellow)
SPONGEBOB SQUAREPANTS$34.584.4★
yfgkgkjg Unisex Kids Onesie Animal Pajamas One Piece Cosplay Costume Sleepwear Girls Boys Halloween Christmas (8-10Years)
yfgkgkjg$23.384.6★
Nickelodeon Spongebob Square Pants Shirts for Boys (3-Pack) KidsGraphic Tshirt for Toddler & Up - 5T Gn/YEL/Pk SS
Nickelodeon$26.164.7★
What buyers say about spongebob costume kids
What buyers praise and complain about, mined from review topics.What buyers love
“Good Quality and Arrived On time”
“fit was good”
“Durable”
“As described”
“Worth the price very fast”
“This is soooo Soft and Cute, Cute”
What buyers complain about
“its much larger than I expected”
“I only subtracted one star because the fabric isn't very soft”
“Very slippery material”
Top return reasons
Common questions
- Is spongebob costume kids profitable to sell on Amazon United States?
- The niche generates $8K/yr across 45 tracked products. 0 of 16 products launched in the last 360 days are still selling. 90-day search growth is -9.9%. Flapen's verdict: Skip it (38/100).
- How competitive is the spongebob costume kids niche?
- 15 brands and 32 sellers compete. The top 5 products take 33% of clicks and top 5 brands hold 74% of demand.
- What do buyers complain about in spongebob costume kids?
- Top complaints mined from reviews: Size-Overall, Soft Feel, Material Quality. The return rate is 7.0% — above our launch gate.
- When does demand for spongebob costume kids peak?
- Demand peaks in Sep–Oct; the busiest month runs 86.8× the quietest.
- What does it cost to enter the spongebob costume kids niche?
- Listings span $5.42–$83.06; the average listing price is $29.07 (sweet spot $15–$100). The average incumbent carries 291 reviews — the moat a new listing must climb.