Grinch Costume Kids
Skip itSoft demand (-78.1% this quarter) — this niche doesn't clear our bar today.
Avg price
Incredible$34.19avg listing price — sweet spot $15–$100
Review moat
Great172.07avg incumbent reviews — the moat a new listing must climb
Price range
Great$7.63–$61.37cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Good41%top-5 click share — leaders hold, buyers still browse
Brand share
Good71%top-5 brand share — brands hold most of the demand
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Market size
Okay$103K$103K/yr · 614K searches
Conversion
Bad0.5%search→purchase rate — share of searches ending in a sale
Returns
Bad11.8%return rate — above 5% kills the launch gate
Growth
Bad-78.1%90-day search growth — must beat 0% to launch
Is grinch costume kids profitable on Amazon?
According to Flapen's Amazon United States niche tracking, grinch costume kids is a $103K/yr Amazon United States market (614K searches/yr). The top 5 brands hold 71% of demand. Demand peaks in Oct–Nov–Dec. Verdict: Skip it — 40/100.
Data updated Jul 10, 2026 · scored weekly · How we score niches
grinch costume kids market size & sales
Units sold, revenue, conversion and listing quality across the tracked shelf.- Units sold / yr
- 5K–6K
- avg 0–100/product
- Revenue / yr
- $171K–$205K
- units × avg price
- Conversion rate
- 0.5%
- Avg BSR
- #24,672
- Page quality
- 0%
- Prime
- 93%
- Sponsored
- 68%
- Out of stock
- 20.7%
- Avg brand age
- 37 months
- Avg seller age
- 186 days
Competition: brands, sellers & click share
The top 5 products take 41% of clicks — established leaders, but buyers still shop beyond them.Brands
23 flat
Sellers
24
Top-5 brand share
71%
Top 20: 99%
Top-5 click share
41%
Top 20: 81%
Open market
25%
- MJC25%
- Seven Times Six23%
- Socutebabe12%
- MOBJVIY8%
- The Grinch4%
- elope3%
grinch costume kids demand & seasonality
Weekly Amazon search volume, last 104 weeks — -78.1% search growth over the last 90 days.Peak months: Oct, Nov, Dec · busiest ÷ quietest = 97.8×
Top grinch costume kids search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.- grinch costume kids237K/yr
- kids grinch costume81K/yr
- grinch onesie kids46K/yr
- toddler grinch costume40K/yr
- grinch costume for kids34K/yr
- kids grinch onesie9K/yr
- grinch onesies for kids13K/yr
- grinch costume toddler27K/yr
- grinch kids costume25K/yr
- the grinch costume for kids15K/yr
Top grinch costume kids products & what they sell for
Every tracked product — its share of the shelf, its review moat, and what it sells for.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
Socutebabe Baby Christmas Costume Toddler Kids Boys Girls Santa Claus Outfit Green Furry Xmas Cosplay Clothes (Green&red 4-5T)
Socutebabe$19.934.4★141 rev
Seven Times Six Dr. Seuss GRINCH Who Stole Christmas Kids Hooded Pajama Union Suit (Green Medium/10)
Seven Times Six$40.034.4★126 rev
Dr. Seuss The Grinch Union Suit Big Kids Santa Claus Costume Kigurumi One Piece Hooded Pajama (8) Green
MJC$41.754.6★23 rev
Dr. Seuss The Grinch Union Suit Big Kids Santa Claus Costume Kigurumi One Piece Hooded Pajama (6/7) Green
MJC$38.974.6★23 rev
Dr. Seuss GRINCH Who Stole Christmas Matching Family Pajama Kids Union Suit 8
Seven Times Six$39.634.5★1,078 rev
Newest
by launch date
WPOZD Deluxe Christmas Mask with Santa Hat Green Plush Fur Holiday Costume Accessory (Green Mask and Gloves)
WPOZD$34.0712 rev
Dr. Seuss The Grinch Union Suit Define Good Kids One Piece Pajama Loungewear (Medium 8)
MJC$32.4715 rev
Dr. Seuss The Grinch Union Suit Define Good Kids One Piece Pajama Loungewear (Large 10/12)
MJC$35.6815 rev
Dr. Seuss The Grinch Union Suit Big Kids Santa Claus Costume Kigurumi One Piece Hooded Pajama (8) Green
MJC$41.7523 rev
Dr. Seuss The Grinch Union Suit Big Kids Santa Claus Costume Kigurumi One Piece Hooded Pajama (6/7) Green
MJC$38.9723 rev
Trending
90-day click momentum
QSTYLE Unisex Children Green Onesie Halloween Costume Christmas Pajamas For Girls and Boys 8-9Y
QSTYLE$21.734.7★
Seven Times Six Dr. Seuss GRINCH Who Stole Christmas Kids Hooded Pajama Union Suit (Green XX-Small/4)
Seven Times Six$42.134.4★
WPOZD Deluxe Christmas Mask with Santa Hat Green Plush Fur Holiday Costume Accessory (Green Mask and Gloves)
WPOZD$34.074.0★
FUNTEKS Kids Girls Princess Dress Sleeveless Cartoon Casual Dress Christmas Party Dress 3-10 Years
FUNTEKS$27.564.7★
Dr. Seuss The Grinch Union Suit Big Kids Santa Claus Costume Kigurumi One Piece Hooded Pajama (14/16) Green
MJC$48.404.6★
What reviews say buyers love and hate about grinch costume kids
What buyers praise and complain about, mined from review topics.What buyers love
“fit well”
“comfortable”
“Good quality”
“It's super soft, and comfortable”
“The material was good quality”
“Well built and has lasted through multiple wearings”
“Looked just like photos”
“And it is a great value for the price I paid”
“it's so warm”
“Fun costume”
What buyers complain about
“Runs small”
“Cheap”
“Furry stuff was coming off”
“These pajamas were shipped with a gaping hole down one leg”
“Didn't give full stars the hat was not stitch correctly”
“It sheds a lot which is my biggest issue with it”
“This cost much more”
“Dirt, leaves, woodchips, everything easily stuck to it”
“weird cut”
“It is a pain to clean if you have a messy child”
Top return reasons
Common grinch costume kids questions
- Is grinch costume kids profitable to sell on Amazon United States?
- The niche generates $103K/yr across 41 tracked products. 1 of 12 products launched in the last 360 days are still selling. 90-day search growth is -78.1%. Flapen's verdict: Skip it (40/100).
- How competitive is the grinch costume kids niche?
- 23 brands and 24 sellers compete. The top 5 products take 41% of clicks and top 5 brands hold 71% of demand.
- What do buyers complain about in grinch costume kids?
- Top complaints mined from reviews: Size-Overall, Quality-Overall, Defective Material/Parts. The return rate is 11.8% — above our launch gate.
- When does demand for grinch costume kids peak?
- Demand peaks in Oct–Nov–Dec; the busiest month runs 97.8× the quietest.
- What does it cost to enter the grinch costume kids niche?
- Listings span $7.63–$61.37; the average listing price is $34.19 (sweet spot $15–$100). The average incumbent carries 172 reviews — the moat a new listing must climb.