---
title: "Mad Scientist Costume — $8K/mo Amazon US Product Research"
canonical_url: "https://flapen.com/research/us/clothing-shoes-jewelry/mad-scientist-costume"
last_updated: "2026-08-12T12:24:16.673Z"
locale: en
meta:
description: "Amazon product research for mad scientist costume: $8K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:description": "Amazon product research for mad scientist costume: $8K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:title": "Mad Scientist Costume — $8K/mo Amazon US Product Research"
---
# **Mad Scientist Costume**
**Skip it**
High returns (8.0%) — this niche doesn't clear our bar today.
Market size 25Growth 30Conversion 23Competition 36Returns 14Price range 87Avg price 95Brand share 39Review moat 44Quality gap 67
**Avg price**
**Incredible****$24.69**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$5.98–$95.35**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Good****4.3★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Okay****2,143.42**
avg incumbent reviews — the moat a new listing must climb
**Brand share**
**Okay****81%**
top-5 brand share — brands hold most of the demand
**Competition**
**Okay****63%**
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**
**Bad****1.8%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Bad****8.0%**
return rate — above 5% kills the launch gate
**Signals**[** High Returns**](https://flapen.com/research/niches?market=us&signal=high_returns "Return rate > 5%")
## **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 ~~](https://flapen.com/research/methodology)
## **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.
35K25KSpike '24Spike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Sep, Oct, Nov · busiest ÷ quietest = 31.4×
[**Open Trend **](https://flapen.com/research/us/clothing-shoes-jewelry/mad-scientist-costume/trend)
## **Top mad scientist costume search terms shoppers use**
The exact queries shoppers type, with yearly volume, growth and conversion.
- **mad scientist costume**111K/yr+13.5%1.1% conv. - **scientist costume**28K/yr-4.5%1.2% conv. - **mad scientist**25K/yr+22.4%0.4% conv. - **scientist costume adult**14K/yr-37.1%1.7% conv. - **mad scientist lab coat**10K/yr+27.4%0.3% conv. - **mad scientist costume adult**7K/yr+1.7%1.2% conv. - **mad scientist coat**5K/yr+23.4%0.4% conv. - **evil scientist costume**3K/yr+4.8%1.1% conv. - **dr frankenstein costume**7K/yr+46.8%0.4% conv. - **mad scientist costume men**6K/yr-57.7%0.0% conv. [**All search terms **](https://flapen.com/research/us/clothing-shoes-jewelry/mad-scientist-costume/search-terms)
## **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.
0%5%$5K10%$10K15%$15K20%$20K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**SATINIOR 6 Pieces Mad Scientist Costume Adult Lab Coat Brown Costume Back to The Future Man Wig Goggles Props(Medium)**SATINIOR**$29.45**4.6★231 rev](https://www.amazon.com/dp/B09LYFSLPG) [2**SATINIOR 6 Pieces Mad Scientist Costume Adult Lab Coat Brown Costume Back to The Future Man Wig Goggles Props(X-Large)**SATINIOR**$29.45**4.6★231 rev](https://www.amazon.com/dp/B09T9W16GX) [3**Snwquik Lab Coat for Men&Women Doctor Costume for Adults Teens White Long Sleeve Unisex Science Chemistry Lab Coat (M)**Snwquik**$11.63**4.0★169 rev](https://www.amazon.com/dp/B0F93VG61K) [4**VOGRYE Unisex Lab Coat Long Sleeve 3 Pocket Medical Coat with Button Professional White Coat for Doctor Nurse Scientist**VOGRYE**$12.10**4.4★10,075 rev](https://www.amazon.com/dp/B07D8G82G8) [5**NY Threads Professional White Lab Coat for Men Long Sleeve Medical Coat 1 Pack Large White**NY Threads**$17.43**4.5★6,205 rev](https://www.amazon.com/dp/B08VF11YJC)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Oskiner Lab Coat Women Doctor Costume for Adults Unisex Long Sleeve Science Medical White Lab Coat (M)**Oskiner**$9.12**46 rev10mo ago](https://www.amazon.com/dp/B0FQB5489Q) [**TOHONGADON 7 Pieces Mad Scientist Costume Scientist Doctor Costume Includes White Lab Coat Glasses Plastic Flask for Halloween Party Accessories**TOHONGADON**$19.34**14 rev1y ago](https://www.amazon.com/dp/B0FCY7VG2Z) [**Snwquik Lab Coat for Men&Women Doctor Costume for Adults Teens White Long Sleeve Unisex Science Chemistry Lab Coat (M)**Snwquik**$11.63**169 rev1y ago](https://www.amazon.com/dp/B0F93VG61K) [**Snwquik Lab Coat for Men&Women Doctor Costume for Adults Teens White Long Sleeve Unisex Science Chemistry Lab Coat (L)**Snwquik**$13.20**169 rev1y ago](https://www.amazon.com/dp/B0F93WM75L) [**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**$11.37**204 rev1y ago](https://www.amazon.com/dp/B0DQGNH357)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**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**$11.37**4.2★**▲ 197%**](https://www.amazon.com/dp/B0DQGNH357) [**Oskiner Lab Coat Women Doctor Costume for Adults Unisex Long Sleeve Science Medical White Lab Coat (M)**Oskiner**$9.12**3.8★**▲ 170%**](https://www.amazon.com/dp/B0FQB5489Q) [**Snwquik Lab Coat for Men&Women Doctor Costume for Adults Teens White Long Sleeve Unisex Science Chemistry Lab Coat (M)**Snwquik**$11.63**4.0★**▲ 139%**](https://www.amazon.com/dp/B0F93VG61K) [**SATINIOR 6 Pieces Mad Scientist Costume Adult Lab Coat Brown Costume Back to The Future Man Wig Goggles Props(3X-Large)**SATINIOR**$30.11**4.6★**▲ 137%**](https://www.amazon.com/dp/B0BJ72ZY9T) [**SATINIOR 6 Pieces Mad Scientist Costume Adult Lab Coat Brown Costume Back to The Future Man Wig Goggles Props(X-Large)**SATINIOR**$29.45**4.6★**▲ 104%**](https://www.amazon.com/dp/B09T9W16GX)
**~~View all trending →~~**
## **What reviews say buyers love and hate about mad scientist costume**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**28%
*“Fit well”*
**Quality-Overall**12%
*“Good quality”*
**Value For Money**12%
*“Worth it for sure”*
**Advertised Vs Actual Product**9%
*“Looks as advertised”*
**Material Quality**8%
*“Decent material and pretty comfortable apart from the wig”*
**Durability**4%
*“Very durable”*
**Ease Of Cleaning**3%
*“easy to clean”*
**Design-Overall**2%
*“the design gives a neat and confident appearance”*
**Pockets/Compartments**2%
*“Nice pockets”*
**Locking Mechanism**2%
*“Locker unlock experience was amazing”*
### **What buyers complain about **
**Quality-Overall**14%
*“Cheap”*
**Thickness**13%
*“It's not the thickest”*
**Size-Overall**12%
*“Unfortunately the size was incorrect”*
**Material Quality**7%
*“Very cheap & light materials and loose stitching”*
**Smell**3%
*“Smells terrible”*
**Product Condition**3%
*“Thought I was buying a NEW product. Came scratched and already used.”*
**Thin**3%
*“Very thin”*
**Sleeve Fit**3%
*“short sleeves”*
**Advertised Vs Actual Product**3%
*“Misleading pics”*
**Wrinkles**2%
*“Not wrinkle resistant”*
### **Top return reasons **
**Size-Overall**51%
**Sleeve Fit**8%
**Length**7%
**Material Quality**6%
**Thin**4%
**Shoulder Fit**4%
**Quality-Overall**4%
**Chest Fit**3%
**Value For Money**2%
**Advertised Vs Actual Product**2%
## **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.
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