Mario Costume Kids
FailDemand is soft, at -88.4% this quarter, so Mario Costume Kids is a Fail.
- Flapen Score
- 38 / 100Ranks 2,040 of 2,461 Fashion niches · −10 vs the category median of 4838
- Market size
- £38K/yr101K searches / yr
- 90-day growth
- -88.4%search demand this quarter
- Competition
- 44%top-5 click share · 9 brands · 47 sellers
Flapen Score
Mario Costume Kids against its category
The dotted line is the Fashion average. Past it, Mario Costume Kids is stronger. Inside it, weaker.
Market
The Mario Costume Kids market on Amazon at a glance
Shoppers on Amazon United Kingdom searched for Mario Costume Kids 101K times last year and spent an estimated £38K. The top 5 brands take 95% of clicks. Demand peaks in Mar–Oct. Flapen scores it 38 out of 100, a Fail.
01 · Demand
An estimated 2.6% of those searches ended in a purchase.
Shoppers searched for this 101K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 2.6% of those searches ended in a purchase. Searches in the last 90 days moved -88.4% against the 90 days before. Searches, conversion and average price together put the market at an estimated £38K a year.
- Searches, last 12 months
- 101K
- Growth, 90 days vs prior 90
- -88.4%
- Conversion, latest week
- 2.6%
- Market size, estimated
- £38Ka year
- Peak month
- March31.2× the quietest month
- Top search term
- mario costume kids60K searches a year
02 · Price
A sale here is worth £14.62.
Listings sell for £14.62 on average, from £7.95 to £26.15. Amazon reports units sold in ranges. This niche sold 2K to 3K a year. The average listing sells 100 to 250 of them. At £14.62 that is £1K to £4K a year per listing.
- Average price
- £14.62under the $15 to $100 sweet spot
- Price range
- £7.95–£26.15
- Amazon United Kingdom median price
- £12.12across 27,606 niches
- Units sold a year
- 2K–3K
- Units per listing a year
- 100–250
- Revenue per listing a year
- £1K–£4K
- Returns
- 3.0%of orders · Amazon United Kingdom median 0.6%
03 · Entry bar
The bar here is low.
66% of listings pay for placement with sponsored ads. 79% ship with Prime. On an average day, 15.4% of listings are out of stock. The average listing ranks #699 within Boys. It carries 832 reviews at 4.36 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 66%
- Prime listings
- 79%
- Out of stock, average day
- 15.4%
- Average rank
- #699in Boys
- Average rating
- 4.36 starsAmazon United Kingdom average 4.36 stars
- Average reviews
- 832per listing
- Listings tracked
- 29
04 · Newcomers
0 of last year's 3 launches cleared the first-year sales bar.
3 products launched here in the last 12 months. 0 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 35 months on average, so a newcomer is not facing entrenched names.
- Launched, last 12 months
- 3
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 35 months
Products
Top Mario Costume Kids 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 23, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Disguise Mario Fancy Dress Intl
- Price
- £16.73
- Rating
- 4.6/5
- Reviews
- 555
- Age
- 4y ago

BSBUY Kids Super Plumber Costume Super Workman Fancy Dress Costume Moustache Brothers Outfit Super Bro Jumpsuit with Cap Beard and Gloves for Boys Girls Halloween Birthday Christmas Cosplay(Red-M)
- Price
- £8.44
- Rating
- 3.9/5
- Reviews
- 163
- Age
- 12mo ago

Disguise Nintendo Super Mario Mario Jumpsuit for Kids Officially Licensed Includes Mario Hat Mario Fancy Dress for Kids Jumpsuit and Moustache Ages 7-8
- Price
- £14.78
- Rating
- 4.6/5
- Reviews
- 555
- Age
- 5y ago

Super Mario Onesie | Onesies for Boys | Fleece Pyjamas for Kids Multicoloured 7-8 Years
- Price
- £21.60
- Rating
- 4.7/5
- Reviews
- 1,726
- Age
- 5y ago

BSBUY Kids Super Plumber Costume Super Workman Fancy Dress Costume Moustache Brothers Outfit Super Bro Jumpsuit with Cap Beard and Gloves for Boys Girls Halloween Birthday Christmas Cosplay(Red-S)
- Price
- £8.73
- Rating
- 3.9/5
- Reviews
- 163
- Age
- 12mo ago
Trending
estimated 90-day click momentum
Super Mario Bomber Jacket Mario Luigi Bowser And Yoshi Boys Jacket Varsity Boys Jackets 9-10 Years
- Price
- £20.12
- Rating
- 4.6/5
- Reviews
- 16
- Age
- 3mo ago

DiULi 4 PCS Yellow Halloween Costume Accessories Set Cosplay Fun Party Costume Cute Costume World Book Day Childrens Costume Including Hat Two Eyes Steampunk Goggles Gloves Strap Clips
- Price
- £7.95
- Rating
- 4.0/5
- Reviews
- 82
- Age
- 1y ago

Super Mario Swimsuit for Boys | Blue Green Two Piece Top & Shorts Bathing Suit | Kids Gamer UV50+ Sun Safe Swimming Costume 5-6 Years
- Price
- £16.19
- Rating
- 4.6/5
- Reviews
- 427
- Age
- 5y ago

Super Mario Boys Pyjamas Grey 4-5 Years
- Price
- £9.62
- Rating
- 4.6/5
- Reviews
- 1,222
- Age
- 6y ago

Super Mario Swimsuit for Boys | Blue Green Two Piece Top & Shorts Bathing Suit | Kids Gamer UV50+ Sun Safe Swimming Costume 3-4 Years
- Price
- £15.63
- Rating
- 4.6/5
- Reviews
- 427
- Age
- 5y ago
Newest
by launch date
Super Mario Bomber Jacket Mario Luigi Bowser And Yoshi Boys Jacket Varsity Boys Jackets 9-10 Years
- Price
- £20.12
- Rating
- 4.6/5
- Reviews
- 16
- Age
- 3mo ago

BSBUY Kids Super Plumber Costume Super Workman Fancy Dress Costume Moustache Brothers Outfit Super Bro Jumpsuit with Cap Beard and Gloves for Boys Girls Halloween Birthday Christmas Cosplay(Red-M)
- Price
- £8.44
- Rating
- 3.9/5
- Reviews
- 163
- Age
- 12mo ago

BSBUY Kids Super Plumber Costume Super Workman Fancy Dress Costume Moustache Brothers Outfit Super Bro Jumpsuit with Cap Beard and Gloves for Boys Girls Halloween Birthday Christmas Cosplay(Red-S)
- Price
- £8.73
- Rating
- 3.9/5
- Reviews
- 163
- Age
- 12mo ago

Super Bro Costume Kids Super Workman Fancy Dress Costume Set Kids Plumber Costumes with Red Top Dungarees Hat Mustaches Gloves Brooch Carnival Halloween Cosplay Costumes for Boys and GirlsXL
- Price
- £14.26
- Rating
- 3.2/5
- Reviews
- 10
- Age
- 1y ago

DiULi 4 PCS Yellow Halloween Costume Accessories Set Cosplay Fun Party Costume Cute Costume World Book Day Childrens Costume Including Hat Two Eyes Steampunk Goggles Gloves Strap Clips
- Price
- £7.95
- Rating
- 4.0/5
- Reviews
- 82
- Age
- 1y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 44% of clicks. Leaders hold, but buyers still shop past them.
Brands
9 rising
Sellers
47
Est. top-5 brand share
95%
Top 20: 100%
Est. top-5 click share
44%
Top 20: 92%
Open market
4%
- Super Mario39%
- Disguise28%
- BSBUY17%
- HENBRANDT8%
- Kitimi3%
- DiULi2%
- Open — no brand owns it (3 brands, 4%)
Demand
Mario Costume Kids search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Mar, Oct · busiest ÷ quietest = 31.2×
Search terms
Top Mario Costume Kids search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- mario costume kids60K/yr
- super mario costume kids21K/yr
- kids mario costume13K/yr
- mario kids costume8K/yr
Reviews and returns
What reviews say buyers love and hate about Mario Costume Kids
We read the reviews and the return reasons for every product selling here.
“comes up to small”
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 Mario Costume Kids 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









