mad scientist costume kids
Skip itSoft demand (-51.3% this quarter) — this niche doesn't clear our bar today.
Review moat
Great209.05avg incumbent reviews — the moat a new listing must climb
Avg price
Great$19.31avg listing price — sweet spot $15–$100
Price range
Great$8.97–$34.29cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Good46%top-5 click share — leaders hold, buyers still browse
Brand share
Good68%top-5 brand share — brands hold most of the demand
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Returns
Okay5.5%return rate — above 6% kills the launch gate
Conversion
Bad1.6%search→purchase rate — share of searches ending in a sale
Market size
Bad$9K$9K/yr · 30K searches
Growth
Bad-51.3%90-day search growth — must beat 0% to launch
Competition
The top 5 products take 46% of clicks — established leaders, but buyers still shop beyond them.Brands
12 rising
Sellers
14
Top-5 brand share
68%
Open market
26%
- mifengda30%
- Keymall12%
- Kyson11%
- ZZIHAN8%
- INNOCHEER7%
- 2 MULE TEAM6%
Product shelf
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 19 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
mifengda Mad Scientist Costume Doctor White Lab Coat Halloween Crazy Mad Scientist Physicist Costume Include Lab Coat Wig Glasses Mustache Eyebrows Gloves Bow Tie for Cosplay Pretend Play(Medium)
mifengda$17.394.3★68 rev
mifengda Mad Scientist Costume Kids Doctor White Lab Coat Halloween Crazy Mad Scientist Physicist Costume Include Lab Coat Wig Glasses Mustache Eyebrows Gloves Bow Tie for Cosplay Pretend Play
mifengda$15.874.3★68 rev
ZZIHAN Scientist Costume for Kids Mad Scientist Lab Coat Costume 56
ZZIHAN$13.944.7★329 rev
Kyson Kids Mad Scientist Costume 6 Pieces Science Crazy Lab Coat and Goggles Wig Gloves Bowtie Magnifier Halloween Dress Up (Set A)
Kyson$33.585.0★13 rev
Keymall Mad Scientist Costume for Kids 6 Pieces Halloween Crazy Mad Wig Scientist Lab Coat Mustache Goggles Gloves Bow Tie (Set A)
Keymall$34.294.3★27 rev
Newest
by launch date
Mad Scientist Costume Kids 6 Pieces Bowtie for Dressing Up Dressing Glasses A Pair of Laboratory Gloves Magnifying Glass Wig PVC Science Name Badge Pass for Science Birthday Party Decorations
2 MULE TEAM$12.558 rev
Puteraya 12 PCS Kids Old Man Mad Scientist Costume Crazy Physicist Wig Doctor White Lab Coat Costume for Halloween Cosplay Party (4-6 Years(115cm-125cm))
Puteraya$19.798 rev
UNGLINGA Kids Scientist Costume Lab Coat Doctor Pretend Play for Boys Girls with Goggles Glasses ID Card Gloves for Science Projects Career day Halloween M
UNGLINGA$9.97197 rev
Kyson 6 Pieces Mad Scientist Costume for Girls-Crazy Science Lab Coat Wig Goggles Gloves Bowtie Brooch for Halloween Dress Up (Set A)
Kyson$28.2415 rev
Kyson Kids Mad Scientist Costume 6 Pieces Science Crazy Lab Coat and Goggles Wig Gloves Bowtie Magnifier Halloween Dress Up (Set A)
Kyson$33.5813 rev
Trending
90-day click momentum
VOGRYE Lab Coat for Girl - White Unisex Kids Doctors Coat Kids Vet Doctor Dress Up Costume for Girl (8/10 White)
VOGRYE$12.974.4★
DR Uniforms Kids Lab Coat for Boys & Girls White Science Doctor Jacket Long Sleeve School Lab Coat for STEM Learning Size 8/10
DR Instruments$16.664.6★
mifengda Mad Scientist Costume Doctor White Lab Coat Halloween Crazy Mad Scientist Physicist Costume Include Lab Coat Wig Glasses Mustache Eyebrows Gloves Bow Tie for Cosplay Pretend Play(Medium)
mifengda$17.394.3★
Mad Scientist Costume Kids 6 Pieces Bowtie for Dressing Up Dressing Glasses A Pair of Laboratory Gloves Magnifying Glass Wig PVC Science Name Badge Pass for Science Birthday Party Decorations
2 MULE TEAM$12.553.8★
UNGLINGA Kids Scientist Costume Lab Coat Doctor Pretend Play for Boys Girls with Goggles Glasses ID Card Gloves for Science Projects Career day Halloween M
UNGLINGA$9.974.5★
Demand
Weekly Amazon search volume, last 36 weeks — -51.3% search growth over the last 90 days.Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Fit well”
“it was affordable without compromising the quality”
“it does the job”
“Good quality”
“Great science kit”
“Nice material too”
“The set was accurate and complete”
“It also it great fun for the kiddos to play with in a water table”
“love all the accessories”
“Was great for career day at school”
What buyers complain about
“the whole thing came in a small bag”
“Not well made”
“Dirty”
“this was very cheap”
“Arrived used”
“However, they still appear in all photos of kids wearing the set and that makes it confusing for the buyer”
“It is pretty thin”
“Flimsy, cheap material”