roblox costume
Skip itA small market ($0/yr) — this niche doesn't clear our bar today.
Avg price
Incredible$29.61avg listing price — sweet spot $15–$100
Price range
Great$6.59–$43.40cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Good63%top-5 brand share — brands hold most of the demand
Review moat
Okay1,601.45avg incumbent reviews — the moat a new listing must climb
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Competition
Okay63%top-5 click share — leaders hold, buyers still browse
Returns
Okay4.5%return rate — above 5% kills the launch gate
Growth
Bad-5.9%90-day search growth — must beat 0% to launch
Market size
Bad$0$0/yr · 244K searches
Conversion
Bad0.0%search→purchase rate — share of searches ending in a sale
According to Flapen's Amazon United States niche tracking, roblox costume is a $0/yr Amazon United States market (244K searches/yr). The top 5 brands hold 63% of demand. Demand peaks in Sep–Oct–Nov. Verdict: Skip it — 35/100.
Data updated Jul 31, 2026 · scored weekly · How we score niches
roblox costume market data
- Units sold / yr
- 750–1K
- avg 0–100/product
- Revenue / yr
- $22K–$30K
- units × avg price
- Conversion rate
- 0.0%
- Avg BSR
- #495
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 82%
- Out of stock
- 10.1%
- Avg brand age
- 41 months
- Avg seller age
- 162 days
Competition & brand share
The top 5 products take 63% of clicks — established leaders, but buyers still shop beyond them.Brands
11 rising
Sellers
33
Top-5 brand share
63%
Top 20: 100%
Top-5 click share
63%
Top 20: 100%
Open market
37%
- unicorn warrior12%
- GLEDLOVES12%
- MOPHOTO11%
- Camlinbo10%
- Disguise9%
- DoCred9%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -5.9% search growth over the last 90 days.Peak months: Sep, Oct, Nov · busiest ÷ quietest = 86.5×
Top roblox costume search terms
- roblox costumes19K/yr
- roblox halloween costume27K/yr
- costumes for boys 12-149K/yr
- halloween costumes for 13 year old boys16K/yr
- halloween costumes for teenage boys17K/yr
- disfraz para nio de 10 aos7K/yr
- custom for boys6K/yr
- boys halloween costume 14-167K/yr
- costume for teen boys10K/yr
- halloween costumes for teens boys14K/yr
Top roblox costume 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 11 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
unicorn warrior Unisex Adults Demogorgon Onesie Pajamas Hooded Jumpsuit Costume Loungewear Black
unicorn warrior$29.264.6★123 rev

GLEDLOVES LED Gloves for Kids Teens & Adults - Finger Light Gloves with 5 Colors/6 Modes - Perfect for 9-12 Year Old Boys & Girls - Ideal for Halloween & Christmas Parties
GLEDLOVES$6.594.4★3,190 rev

MOPHOTO 5 in 1 Ghillie Suit 3D Camouflage Hunting Suits - Jacket Pants Hood Carry Bag for Youth & Adults M/L/XL/XXL
MOPHOTO$40.604.3★3,324 rev

3 Set Halloween Gesture Sensing LED Mask Glow Skeleton Gloves & Shoelaces
Camlinbo$43.404.6★172 rev

Disguise Blue Costume for Kids Official Rainbow Friends Costume with Headpiece Child Size (4-6)
Disguise$33.884.3★145 rev
Newest
by launch date
mcuaeddu Demogorgon Onesie Halloween Costume Costume Warm Long Sleeve Costume (8-10 Years)
mcuaeddu$36.31174 rev

unicorn warrior Unisex Adults Demogorgon Onesie Pajamas Hooded Jumpsuit Costume Loungewear Black
unicorn warrior$29.26123 rev

3 Set Halloween Gesture Sensing LED Mask Glow Skeleton Gloves & Shoelaces
Camlinbo$43.40172 rev

Led Mask Halloween Costume Mask with Gesture Sensing Kids Toys Gifts
Gootus$27.69535 rev

Disguise Blue Costume for Kids Official Rainbow Friends Costume with Headpiece Child Size (4-6)
Disguise$33.88145 rev
Trending
90-day click momentum
mcuaeddu Demogorgon Onesie Halloween Costume Costume Warm Long Sleeve Costume (8-10 Years)
mcuaeddu$36.314.5★

unicorn warrior Unisex Adults Demogorgon Onesie Pajamas Hooded Jumpsuit Costume Loungewear Black
unicorn warrior$29.264.6★

Aniler Mens and Womens Spandex Headless and Without Gloves Socks Zentai Costume Bodysuit Stretchy Cosplay Unitard Body Suit (Small Pink)
Aniler$28.404.2★

SEGA unisex child Sonic the Hedgehog Costume Hoodie Hooded Sweatshirt Royal 14-16 US
SEGA$22.474.8★

GLEDLOVES LED Gloves for Kids Teens & Adults - Finger Light Gloves with 5 Colors/6 Modes - Perfect for 9-12 Year Old Boys & Girls - Ideal for Halloween & Christmas Parties
GLEDLOVES$6.594.4★
What buyers say about roblox costume
What buyers praise and complain about, mined from review topics.What buyers love
“Fun for kids”
“Really nice quality”
“Christmas gift for my grandson”
“they were a perfect fit”
“the colors are so bright”
“Easy to use”
“Great buy”
“It was just as described”
“Cute mask with lots of different styles to choose from”
“Very durable”
What buyers complain about
“not well made”
“Broke Immediately”
“this was a last minute replacement since the other costume was to big”
“It came used and covered in leaves and pine straw”
“way to hard to put on not worth it”
“It's not my gift”
“Battery make it smelly”
“It was a gift for my son didnt last a month tho wont charge or turn on”
“The fingers kept going out”
“Returned because it was used and very dirty”
Top return reasons
Common questions
- Is roblox costume profitable to sell on Amazon United States?
- The niche generates $0/yr across 11 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is -5.9%. Flapen's verdict: Skip it (35/100).
- How competitive is the roblox costume niche?
- 11 brands and 33 sellers compete. The top 5 products take 63% of clicks and top 5 brands hold 63% of demand.
- What do buyers complain about in roblox costume?
- Top complaints mined from reviews: Quality-Overall, Durability, Size-Overall. The return rate is 4.5%.
- When does demand for roblox costume peak?
- Demand peaks in Sep–Oct–Nov; the busiest month runs 86.5× the quietest.
- What does it cost to enter the roblox costume niche?
- Listings span $6.59–$43.40; the average listing price is $29.61 (sweet spot $15–$100). The average incumbent carries 1,601 reviews — the moat a new listing must climb.