Ninjamas
FailThe top 5 brands take 95% of clicks, so Ninjamas is a Fail.
- Flapen Score
- 48 / 100Top 46% of 638 Baby Products niches · +1 vs the category median of 4748
- Market size
- £164K/yr89K searches / yr
- 90-day growth
- -15.2%search demand this quarter
- Competition
- 68%top-5 click share · 8 brands · 54 sellers
Flapen Score
Ninjamas against its category
The dotted line is the Baby Products average. Past it, Ninjamas is stronger. Inside it, weaker.
Market
The Ninjamas market on Amazon at a glance
Shoppers on Amazon United Kingdom searched for Ninjamas 89K times last year and spent an estimated £164K. The top 5 brands take 95% of clicks. Demand peaks in May–Sep–Oct. Flapen scores it 48 out of 100, a Fail.
01 · Demand
An estimated 15.1% of those searches ended in a purchase.
Shoppers searched for this 89K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 15.1% of those searches ended in a purchase. Searches in the last 90 days moved -15.2% against the 90 days before. Searches, conversion and average price together put the market at an estimated £164K a year.
- Searches, last 12 months
- 89K
- Growth, 90 days vs prior 90
- -15.2%
- Conversion, latest week
- 15.1%
- Market size, estimated
- £164Ka year
- Peak month
- September9.3× the quietest month
- Top search term
- ninjamas65K searches a year
02 · Price
A sale here is worth £12.23.
Listings sell for £12.23 on average, from £4.97 to £24.99. Amazon reports units sold in ranges. This niche sold 8K to 10K a year. The average listing sells 750 to 1,000 of them. At £12.23 that is £9K to £12K a year per listing.
- Average price
- £12.23under the $15 to $100 sweet spot
- Price range
- £4.97–£24.99
- Amazon United Kingdom median price
- £12.12across 27,606 niches
- Units sold a year
- 8K–10K
- Units per listing a year
- 750–1,000
- Revenue per listing a year
- £9K–£12K
- Returns
- 0.1%of orders · Amazon United Kingdom median 0.6%
03 · Entry bar
The bar here is low.
71% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #225 within Nappy Changing. It carries 792 reviews at 4.36 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 71%
- Prime listings
- 100%
- Out of stock, average day
- 0.0%
- Average rank
- #225in Nappy Changing
- Average rating
- 4.36 starsAmazon United Kingdom average 4.36 stars
- Average reviews
- 792per listing
- Listings tracked
- 17
04 · Newcomers
1 of last year's 1 launches cleared the first-year sales bar.
1 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 40 months on average, so the names here are settling in.
- Launched, last 12 months
- 1
- Successful launches
- 1Amazon's first-year sales bar
- Average brand age
- 40 months
Products
Top Ninjamas 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 18, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Pampers Ninjamas Pyjama Pants Unisex Spaceships 4-7 Years 60 Pyjama Pants 17kg - 30kg All-Night Leak Protection
- Price
- £17.81
- Rating
- 4.7/5
- Reviews
- 205
- Age
- 2y ago

Pampers Ninjamas Pyjama Pants Unisex Spaceships 8-12 Years 54 Pants 27kg-43kg All-Night Leak Protection
- Price
- £18.90
- Rating
- 4.4/5
- Reviews
- 227
- Age
- 2y ago

LEGO Ninjago Boys Ninjago Pyjamas - Snug Fit - Ages Multicoloured 4-5 Years
- Price
- £13.15
- Rating
- 4.5/5
- Reviews
- 1,011
- Age
- 8y ago

Pampers Ninjamas Pyjama Pants Unisex Hearts 4-7 Years 60 Pyjama Pants 17kg - 30kg All-Night Leak Protection
- Price
- £19.99
- Rating
- 4.7/5
- Reviews
- 205
- Age
- 2y ago

Pampers Ninjamas Pyjama Pants Unisex Hearts 8-12 Years 54 Pyjama Pants 27kg - 43kg All-Night Leak Protection
- Price
- £18.46
- Rating
- 4.4/5
- Reviews
- 227
- Age
- 2y ago
Trending
estimated 90-day click momentum
LEGO Ninjago Boys Ninjago Pyjamas - Snug Fit - Ages Multicoloured 4-5 Years
- Price
- £13.15
- Rating
- 4.5/5
- Reviews
- 1,011
- Age
- 8y ago

Power Rangers Boys Ninja Steel Pyjamas Snuggle Fit Multicoloured Age 4 to 5 Years
- Price
- £12.94
- Rating
- 4.4/5
- Reviews
- 1,690
- Age
- 8y ago

Power Rangers Boys Ninja Steel Pyjamas Snuggle Fit Multicoloured Age 7 to 8 Years
- Price
- £12.89
- Rating
- 4.4/5
- Reviews
- 1,690
- Age
- 8y ago

JackLoveBriefs Boys Briefs Dinosaur Truck toddler underwear boys(Pack of 12 4-5 years MULTICOLOR Size:120)
- Price
- £14.92
- Rating
- 4.6/5
- Reviews
- 1,174
- Age
- 3y ago

FLYISH DIRECT Potty Training Pants Reusable Diaper Skirts 100% Cotton Absorbent Toilet Training Pants for Boys 2 Pieces Waterproof Potty Pants for Toddlers 7-9 Years Bulldog
- Price
- £24.99
- Rating
- 3.6/5
- Reviews
- 622
- Age
- 1y ago
Newest
by launch date
Nundies Youth Pants Disposable Nappy Pants for Kids & Teens Day & Night Leak Protection Odour Control Soft Slim Fit Underwear for Boys & Girls - Large (815 Years) - 12 Pack
- Price
- £6.67
- Rating
- 3.6/5
- Reviews
- 49
- Age
- 11mo ago

FLYISH DIRECT Potty Training Pants Reusable Diaper Skirts 100% Cotton Absorbent Toilet Training Pants for Boys 2 Pieces Waterproof Potty Pants for Toddlers 7-9 Years Bulldog
- Price
- £24.99
- Rating
- 3.6/5
- Reviews
- 622
- Age
- 1y ago

Huggies DryNites Pyjama Pants Boys 4-7 Years (17-30KG) Up to 100% Leak Free Nights Bedwetting Pants 26 Count
- Price
- £8.18
- Rating
- 4.5/5
- Reviews
- 3,792
- Age
- 2y ago

Pampers Ninjamas Unisex Spaceships 8-12 Years 14 Pants
- Price
- £8.16
- Rating
- 0.0/5
- Reviews
- 0
- Age
- 2y ago

Pampers Ninjamas Pyjama Pants Unisex Spaceships 4-7 Years 60 Pyjama Pants 17kg - 30kg All-Night Leak Protection
- Price
- £17.81
- Rating
- 4.7/5
- Reviews
- 205
- Age
- 2y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 68% of clicks. Leaders hold, but buyers still shop past them.
Brands
8 rising
Sellers
54
Est. top-5 brand share
95%
Top 20: 100%
Est. top-5 click share
68%
Top 20: 100%
Open market
3%
- Ninjamas72%
- LEGO8%
- Power Rangers7%
- HUGGIES5%
- FLYISH DIRECT3%
- Nundies2%
- Open — no brand owns it (2 brands, 3%)
Demand
Ninjamas search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: May, Sep, Oct · busiest ÷ quietest = 9.3×
Search terms
Top Ninjamas search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- ninjamas65K/yr
- ninjamas 4-7 boys15K/yr
- ninja pants3K/yr
- ninjamas 4-72K/yr
- pampers ninjamas3K/yr
Reviews and returns
What reviews say buyers love and hate about Ninjamas
We read the reviews and the return reasons for every product selling here.
“Barely fit my 10 year old so doubt it would fit a 12 year old”
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.
14 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 Ninjamas 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









