Mad Scientist Costume
Skip itHigh returns (8.0%) — this niche doesn't clear our bar today.
Avg price
Incredible$24.69avg listing price — sweet spot $15–$100
Price range
Great$5.98–$95.35cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Good4.3★avg incumbent rating — lower means beatable quality
Review moat
Okay2,143.42avg incumbent reviews — the moat a new listing must climb
Brand share
Okay81%top-5 brand share — brands hold most of the demand
Competition
Okay63%top-5 click share — leaders hold, buyers still browse
Growth
Okay+4.3%90-day search growth — must beat 0% to launch
Market size
Bad$99K$99K/yr · 217K searches
Conversion
Bad1.8%search→purchase rate — share of searches ending in a sale
Returns
Bad8.0%return rate — above 5% kills the launch gate
Is mad scientist costume profitable on Amazon?
According to Flapen's Amazon United States niche tracking, mad scientist costume is a $99K/yr Amazon United States market (217K searches/yr). The top 5 brands hold 81% of demand. Demand peaks in Sep–Oct–Nov. Verdict: Skip it — 39/100.
Data updated Jul 17, 2026 · scored weekly · How we score niches
mad scientist costume market size & sales
Units sold, revenue, conversion and listing quality across the tracked shelf.- Units sold / yr
- 4K–5K
- avg 0–100/product
- Revenue / yr
- $99K–$123K
- units × avg price
- Conversion rate
- 1.8%
- Avg BSR
- #1,578
- Page quality
- 0%
- Prime
- 96%
- Sponsored
- 69%
- Out of stock
- 13.6%
- Avg brand age
- 50 months
- Avg seller age
- 187 days
Competition: brands, sellers & click share
The top 5 products take 63% of clicks — established leaders, but buyers still shop beyond them.Brands
15 falling
Sellers
33
Top-5 brand share
81%
Top 20: 100%
Top-5 click share
63%
Top 20: 93%
Open market
14%
- SATINIOR41%
- Snwquik16%
- VOGRYE12%
- NY Threads7%
- Jiuguva5%
- mifengda5%
- Open — no brand owns it (9 brands, 14%)
mad scientist costume demand & seasonality
Weekly Amazon search volume, last 104 weeks — +4.3% search growth over the last 90 days.Peak months: Sep, Oct, Nov · busiest ÷ quietest = 31.4×
Top mad scientist costume search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.- mad scientist costume111K/yr
- scientist costume28K/yr
- mad scientist25K/yr
- scientist costume adult14K/yr
- mad scientist lab coat10K/yr
- mad scientist costume adult7K/yr
- mad scientist coat5K/yr
- evil scientist costume3K/yr
- dr frankenstein costume7K/yr
- mad scientist costume men6K/yr
Top mad scientist costume 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
SATINIOR 6 Pieces Mad Scientist Costume Adult Lab Coat Brown Costume Back to The Future Man Wig Goggles Props(Medium)
SATINIOR$29.454.6★231 rev
SATINIOR 6 Pieces Mad Scientist Costume Adult Lab Coat Brown Costume Back to The Future Man Wig Goggles Props(X-Large)
SATINIOR$29.454.6★231 rev
Snwquik Lab Coat for Men&Women Doctor Costume for Adults Teens White Long Sleeve Unisex Science Chemistry Lab Coat (M)
Snwquik$11.634.0★169 rev
VOGRYE Unisex Lab Coat Long Sleeve 3 Pocket Medical Coat with Button Professional White Coat for Doctor Nurse Scientist
VOGRYE$12.104.4★10,075 rev
NY Threads Professional White Lab Coat for Men Long Sleeve Medical Coat 1 Pack Large White
NY Threads$17.434.5★6,205 rev
Newest
by launch date
Oskiner Lab Coat Women Doctor Costume for Adults Unisex Long Sleeve Science Medical White Lab Coat (M)
Oskiner$9.1246 rev
TOHONGADON 7 Pieces Mad Scientist Costume Scientist Doctor Costume Includes White Lab Coat Glasses Plastic Flask for Halloween Party Accessories
TOHONGADON$19.3414 rev
Snwquik Lab Coat for Men&Women Doctor Costume for Adults Teens White Long Sleeve Unisex Science Chemistry Lab Coat (M)
Snwquik$11.63169 rev
Snwquik Lab Coat for Men&Women Doctor Costume for Adults Teens White Long Sleeve Unisex Science Chemistry Lab Coat (L)
Snwquik$13.20169 rev
Scientist Doctor Costume Women Men Halloween White Flat Long Sleeve Lab Coats Unisex Halloween Lab Coat Adult Doctor Costume Scientist Costume Accessories for Science Doctor Nurse Student (Medium)
mifengda$11.37204 rev
Trending
90-day click momentumScientist Doctor Costume Women Men Halloween White Flat Long Sleeve Lab Coats Unisex Halloween Lab Coat Adult Doctor Costume Scientist Costume Accessories for Science Doctor Nurse Student (Medium)
mifengda$11.374.2★
Oskiner Lab Coat Women Doctor Costume for Adults Unisex Long Sleeve Science Medical White Lab Coat (M)
Oskiner$9.123.8★
Snwquik Lab Coat for Men&Women Doctor Costume for Adults Teens White Long Sleeve Unisex Science Chemistry Lab Coat (M)
Snwquik$11.634.0★
SATINIOR 6 Pieces Mad Scientist Costume Adult Lab Coat Brown Costume Back to The Future Man Wig Goggles Props(3X-Large)
SATINIOR$30.114.6★
SATINIOR 6 Pieces Mad Scientist Costume Adult Lab Coat Brown Costume Back to The Future Man Wig Goggles Props(X-Large)
SATINIOR$29.454.6★
What reviews say buyers love and hate about mad scientist costume
What buyers praise and complain about, mined from review topics.What buyers love
“Fit well”
“Good quality”
“Worth it for sure”
“Looks as advertised”
“Decent material and pretty comfortable apart from the wig”
“Very durable”
“easy to clean”
“the design gives a neat and confident appearance”
“Nice pockets”
“Locker unlock experience was amazing”
What buyers complain about
“Cheap”
“It's not the thickest”
“Unfortunately the size was incorrect”
“Very cheap & light materials and loose stitching”
“Smells terrible”
“Thought I was buying a NEW product. Came scratched and already used.”
“Very thin”
“short sleeves”
“Misleading pics”
“Not wrinkle resistant”
Top return reasons
Common mad scientist costume questions
- Is mad scientist costume profitable to sell on Amazon United States?
- The niche generates $99K/yr across 26 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +4.3%. Flapen's verdict: Skip it (39/100).
- How competitive is the mad scientist costume niche?
- 15 brands and 33 sellers compete. The top 5 products take 63% of clicks and top 5 brands hold 81% of demand.
- What do buyers complain about in mad scientist costume?
- Top complaints mined from reviews: Quality-Overall, Thickness, Size-Overall. The return rate is 8.0% — above our launch gate.
- When does demand for mad scientist costume peak?
- Demand peaks in Sep–Oct–Nov; the busiest month runs 31.4× the quietest.
- What does it cost to enter the mad scientist costume niche?
- Listings span $5.98–$95.35; the average listing price is $24.69 (sweet spot $15–$100). The average incumbent carries 2,143 reviews — the moat a new listing must climb.