demon slayer costume for kids
Skip itA small market ($31K/yr) — this niche doesn't clear our bar today.
Avg price
Incredible$36.92avg listing price — sweet spot $15–$100
Price range
Incredible$18.13–$69.79cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Great187.9avg incumbent reviews — the moat a new listing must climb
Brand share
Great53%top-5 brand share — no brand owns this niche
Competition
Great38%top-5 click share — an open shelf
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Growth
Okay+0.8%90-day search growth — must beat 0% to launch
Returns
Bad7.8%return rate — above 5% kills the launch gate
Conversion
Bad0.8%search→purchase rate — share of searches ending in a sale
Market size
Bad$31K$31K/yr · 113K searches
According to Flapen's Amazon United States niche tracking, demon slayer costume for kids is a $31K/yr Amazon United States market (113K searches/yr). The top 5 brands hold 53% of demand. Demand peaks in Sep–Oct. Verdict: Skip it — 45/100.
Data updated Jul 10, 2026 · scored weekly · How we score niches
demon slayer costume for kids market data
- Units sold / yr
- 500–750
- avg 0–100/product
- Revenue / yr
- $18K–$28K
- units × avg price
- Conversion rate
- 0.8%
- Avg BSR
- #1,911
- Page quality
- 0%
- Prime
- 98%
- Sponsored
- 68%
- Out of stock
- 25.5%
- Avg brand age
- 38 months
- Avg seller age
- 168 days
Competition & brand share
Clicks spread well past the top 5 (38% combined) — an open shelf where new products get seen.Brands
26 rising
Sellers
28
Top-5 brand share
53%
Top 20: 96%
Top-5 click share
38%
Top 20: 73%
Open market
41%
- Seaehey19%
- JYakeji12%
- Moalioi9%
- Drofe7%
- Zusnxaxe7%
- Cosplaypark6%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +0.8% search growth over the last 90 days.Peak months: Sep, Oct · busiest ÷ quietest = 27.4×
Top demon slayer costume for kids search terms
- demon slayer cosplay kids24K/yr
- demon slayer costume for kids42K/yr
- demon slayer costume kids19K/yr
- kids demon slayer costume11K/yr
- demon slayer costumes for kids7K/yr
- demon slayer kids costume10K/yr
Top demon slayer costume for 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
JYakeji 11 pcs Cosplay Costume Kimono for Kids Adults Robe Japanese Anime Costume Halloween Kimono Outfit
JYakeji$44.604.5★520 rev
Seaehey Kids Cosplay Costume Anime Kimono Cloak Robes Cardigan Top Jacket Large
Seaehey$19.234.4★151 rev
Anime Cosplay Costume Kimono Halloween Women Mens Set Accessories
Moalioi$28.944.4★255 rev
Anime Cosplay Costume Cloak Outfit Halloween Party Uniform Robe Cape Dress for Kids Girls
Cosplaypark$36.464.0★208 rev
Drofe Anime Robes Tanjiro Cosplay Costume Zenitsu Kimono Blue
Drofe$18.134.6★665 rev
Newest
by launch date
Drofe Anime Robes Tanjiro Cosplay Costume Zenitsu Kimono
Drofe$25.71665 rev
Kahopy Anime Cosplay Costume Kids Uniform Halloween Kimono Role Play Outfit Set for Boys and Girls
Kahopy$35.7834 rev
yyleasar Kids Full Set Anime Halloween Cosplay Costume for Kids Kimono Uniform Outfit with Sword (130(L))
yyleasar$69.7917 rev
yyleasar Kids Full Set Anime Halloween Cosplay Costume for Kids Kimono Uniform Outfit with Sword (140(XL))
yyleasar$69.0817 rev
Powzaty Anime Cosplay Costume Kimono Full Set Adult Girls Robe Cloak Costume Set Halloween Kimono Outfit Cosplay with Wig (Butterfly Set Kids 150)
Powzaty$47.7251 rev
Trending
90-day click momentumDrofe Anime Robes Tanjiro Cosplay Costume Zenitsu Kimono
Drofe$25.714.6★
Anime Cosplay Costume Kimono Halloween Women Mens Set Accessories
Moalioi$28.944.4★
Seaehey Kids Cosplay Costume Anime Kimono Cloak Robes Cardigan Top Jacket Medium
Seaehey$19.904.4★
Zusnxaxe Anime Costume Toddler Halloween Clothes Thanksgiving Kids Christmas Shirt and Pants Cosplay Outfit(White Long Sleeve 6T)
Zusnxaxe$30.004.6★
Kitimi Kamado Anime Cosplay Kimono Outfit Halloween Costume for Boys Girls Kids Anime Outfit
Kitimi$25.534.7★
What buyers say about demon slayer costume for kids
What buyers praise and complain about, mined from review topics.What buyers love
“Fits perfectly”
“Good quality”
“the colors are spot on”
“for the whole set was a great deal”
“This one came with everything listed”
“The product is of good material”
“Was also comfortable”
“it was his birthday gift”
“they are durable”
“pretty thick quality”
What buyers complain about
“Sizing is not correct an adult medium didnt fit my 13yr old child”
“Poor quality”
“Colors are wrong”
“The items are honestly very badly detailed”
“The design for the others were poor :/”
“It was expensive”
“The swords are completely bent and weird and hard to put back together or make them straight”
“The material wasn't that good”
Top return reasons
Common questions
- Is demon slayer costume for kids profitable to sell on Amazon United States?
- The niche generates $31K/yr across 50 tracked products. 1 of 4 products launched in the last 360 days are still selling. 90-day search growth is +0.8%. Flapen's verdict: Skip it (45/100).
- How competitive is the demon slayer costume for kids niche?
- 26 brands and 28 sellers compete. The top 5 products take 38% of clicks and top 5 brands hold 53% of demand.
- What do buyers complain about in demon slayer costume for kids?
- Top complaints mined from reviews: Size-Overall, Quality-Overall, Color. The return rate is 7.8% — above our launch gate.
- When does demand for demon slayer costume for kids peak?
- Demand peaks in Sep–Oct; the busiest month runs 27.4× the quietest.
- What does it cost to enter the demon slayer costume for kids niche?
- Listings span $18.13–$69.79; the average listing price is $36.92 (sweet spot $15–$100). The average incumbent carries 188 reviews — the moat a new listing must climb.