Shark Boy Costume
FailShoppers spend an estimated $0 a year here, so Shark Boy Costume is a Fail.
- Flapen Score
- 44 / 100Ranks 9,144 of 16,930 Clothing, Shoes & Jewelry niches · −1 vs the category median of 4544
- Market size
- $0/yr192K searches / yr
- 90-day growth
- +11.5%search demand this quarter
- Competition
- 43%top-5 click share · 23 brands · 28 sellers
Flapen Score
Shark Boy Costume against its category
The dotted line is the Clothing, Shoes & Jewelry average. Past it, Shark Boy Costume is stronger. Inside it, weaker.
Market
The Shark Boy Costume market on Amazon at a glance
Shoppers on Amazon United States searched for Shark Boy Costume 192K times last year and spent an estimated $0. The top 5 brands take 62% of clicks. Demand peaks in Sep–Oct–Nov. Flapen scores it 44 out of 100, a Fail.
01 · Demand
An estimated 0.0% of those searches ended in a purchase.
Shoppers searched for this 192K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 0.0% of those searches ended in a purchase. Searches in the last 90 days moved +11.5% against the 90 days before. Searches, conversion and average price together put the market at an estimated $0 a year.
- Searches, last 12 months
- 192K
- Growth, 90 days vs prior 90
- +11.5%
- Conversion, latest week
- 0.0%
- Market size, estimated
- $0a year
- Peak month
- October30.9× the quietest month
- Top search term
- sharkboy costume44K searches a year
02 · Price
A sale here is worth $34.40.
Listings sell for $34.40 on average, from $9.62 to $131.79. Amazon reports units sold in ranges. This niche sold 500 to 750 a year. The average listing sells 0 to 100 of them. At $34.40 that is $0 to $3K a year per listing.
- Average price
- $34.40inside the $15 to $100 sweet spot
- Price range
- $9.62–$131.79
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 500–750
- Units per listing a year
- 0–100
- Revenue per listing a year
- $0–$3K
- Returns
- 9.3%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is low.
72% of listings pay for placement with sponsored ads. 75% ship with Prime. On an average day, 54.5% of listings are out of stock. The average listing ranks #4,659 within Boys. It carries 672 reviews at 4.31 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 72%
- Prime listings
- 75%
- Out of stock, average day
- 54.5%
- Average rank
- #4,659in Boys
- Average rating
- 4.31 starsAmazon United States average 4.42 stars
- Average reviews
- 672per listing
- Listings tracked
- 36
04 · Newcomers
1 of last year's 4 launches cleared the first-year sales bar.
4 products launched here in the last 12 months. 1 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 43 months on average, so the names here are settling in.
- Launched, last 12 months
- 4
- Successful launches
- 1Amazon's first-year sales bar
- Average brand age
- 43 months
Products
Top Shark Boy Costume products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 10, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Touchat Shark Blanket for Adult & Kids Super Soft Cozy Flannel Throw Wearable Blanket Cartoon Animals Shark Onesie Hoodie Sleeping Bag Cosplay Shark Costume Blanket Gifts for Shark Lovers (Blue M)
- Price
- $18.12
- Rating
- 4.5/5
- Reviews
- 1,252
- Age
- 2y ago

Lucky2Buy Womens One-Piece High Cut Superhero Cosplay Leotard Bodysuit Teddy Swimsuit Set
- Price
- $20.30
- Rating
- 4.1/5
- Reviews
- 190
- Age
- 3y ago

Official Shark Boy and Lava Girl Toddler Gray Shark Boy Costume Boys Superhero Jumpsuit Costume
- Price
- $58.06
- Rating
- 4.5/5
- Reviews
- 330
- Age
- 5y ago

JCJ Halloween Shark Costumes Stitch Onesie Pajamas for Kids Shark Sleeper Pajama Set Hooded for Boys Girls (9-10Y)
- Price
- $26.73
- Rating
- 3.8/5
- Reviews
- 56
- Age
- 2y ago

HSCTEK Shark Onesie Costume Kids Baby Pajamas Cosplay Sleepwear Clothes 16
- Price
- $29.17
- Rating
- 4.6/5
- Reviews
- 270
- Age
- 1y ago
Trending
estimated 90-day click momentum
haikyuu Kid Shark Costume Grey Pink Yellow Blue Fish Hoodie Boy Girl Halloween Birthday Party Dress Up (blue Small)
- Price
- $21.60
- Rating
- 3.6/5
- Reviews
- 2
- Age
- 7y ago

CuteCosplay Unisex Kids Shark Onesie Animal Cosplay One-Piece Pajamas Christmas Halloween Costumes
- Price
- $20.58
- Rating
- 4.5/5
- Reviews
- 497
- Age
- 3y ago

DLiuguangX Unisex Adult Cartoon One-piece Shark Cosplay Costume Small Shayu
- Price
- $9.62
- Rating
- 4.0/5
- Reviews
- 58
- Age
- 2y ago

JUOLOET Unisex Adult Onesie Pajamas Shark Animal One Piece Snug Fit Halloween Costume Sleepwear Homewear Shark X-Small
- Price
- $25.57
- Rating
- 4.6/5
- Reviews
- 471
- Age
- 9mo ago

Newleafly Unisex Kids Shark Onesie Pajamas Soft Cozy Animal Onesie Halloween Cosplay Costume
- Price
- $24.64
- Rating
- 4.1/5
- Reviews
- 15
- Age
- 1y ago
Newest
by launch date
JUOLOET Unisex Adult Onesie Pajamas Shark Animal One Piece Snug Fit Halloween Costume Sleepwear Homewear Shark X-Small
- Price
- $25.57
- Rating
- 4.6/5
- Reviews
- 471
- Age
- 9mo ago

TBGENIUS Shark Blanket Hoodie Onesie for Adults and Kids Cozy Flannel Shark Costume Shark Sleeping Bag
- Price
- $17.74
- Rating
- 4.0/5
- Reviews
- 213
- Age
- 10mo ago

Newleafly Unisex Kids Shark Onesie Pajamas Soft Cozy Animal Onesie Halloween Cosplay Costume
- Price
- $24.64
- Rating
- 4.1/5
- Reviews
- 15
- Age
- 1y ago

JUOLOET Unisex Adult Onesie Pajamas Shark Animal One Piece Snug Fit Halloween Costume Sleepwear Homewear Shark Medium
- Price
- $28.16
- Rating
- 4.6/5
- Reviews
- 471
- Age
- 1y ago

JUOLOET Unisex Adult Onesie Pajamas Shark Animal One Piece Snug Fit Halloween Costume Sleepwear Homewear Shark Small
- Price
- $30.10
- Rating
- 4.6/5
- Reviews
- 471
- Age
- 1y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 43% of clicks. Leaders hold, but buyers still shop past them.
Brands
23 rising
Sellers
28
Est. top-5 brand share
62%
Top 20: 98%
Est. top-5 click share
43%
Top 20: 81%
Open market
34%
- Fun Costumes22%
- Touchat18%
- Lucky2Buy8%
- JUOLOET7%
- inkArts6%
- JCJ4%
Demand
Shark Boy Costume search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Sep, Oct, Nov · busiest ÷ quietest = 30.9×
Search terms
Top Shark Boy Costume search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- sharkboy costume44K/yr
- shark boy costume32K/yr
- sharkboy and lavagirl costumes26K/yr
- shark boy and lava girl costume10K/yr
- sharkboy costume adult30K/yr
- sharkboy costume kids5K/yr
- sharkboy costumes4K/yr
- shark boy costume adult19K/yr
- sharkboy and lava girl costume adult3K/yr
- sharkboy costume men5K/yr
Reviews and returns
What reviews say buyers love and hate about Shark Boy Costume
We read the reviews and the return reasons for every product selling here.
“Pretty big”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
20 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Shark Boy Costume questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









