Mad scientist costume
Mad scientist costume for sale on Ireland's largest auction and classifieds sites
Childs mad scientist costume - mad, - £16.99
Long white button • Lab coat pockets • Feather boa grey - Free postage - New and Used
Long white button • Lab coat pockets • Feather boa grey - Free postage - New and Used
Mad scientist costume - mad, - £9.99
You are buying • Mad scientist costume • Set includes grey - Free postage - New and Used
You are buying • Mad scientist costume • Set includes grey - Free postage - New and Used
Mad scientist costume kids - mad, - £9.99
Fancy dress • Child grey curly • Essex pair white - Free postage - New and Used
Fancy dress • Child grey curly • Essex pair white - Free postage - New and Used
Childs slime scientist costume - slime, - £17.99
Own stretchy slime • Why not upgrade • Next day shipping - Free postage - New and Used
Own stretchy slime • Why not upgrade • Next day shipping - Free postage - New and Used
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Kids mad scientist - kids, fancy - £11.49
Kingdom fancy dress • Includes jacket only • You might also - Free postage - New and Used
Kingdom fancy dress • Includes jacket only • You might also - Free postage - New and Used
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48 listings · from £6.51 · avg £17.18
⚠️ These listings were last updated more than 10 days ago.
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Browse 48 mad scientist costume listings currently in our index. Prices range from £6.51 to £77.95, with an average of £17.18. Whether you are hunting for a bargain or looking for a top-spec model, the selection below covers all price points — new, used and refurbished. More about mad scientist costume →
Child unisex mad - child's, - £14.99
Child unisex mad • Scientist fancy dress • Costume years - Free postage - New and Used
Child unisex mad • Scientist fancy dress • Costume years - Free postage - New and Used
Child boy mad - child, boy's - £15.49
Child boy mad • Scientist fancy dress • Costume - Free postage - New and Used
Child boy mad • Scientist fancy dress • Costume - Free postage - New and Used
Grey mad scientist - mad, & - £12.99
Complete your halloween • Cosplay look this • Hilarious grey mad - Free postage - New and Used
Complete your halloween • Cosplay look this • Hilarious grey mad - Free postage - New and Used
Rubies mad scientist - rubies, - £12.99
Rubies mad scientist • Lab coat child • Unisex fancy dress - Free postage - New and Used
Rubies mad scientist • Lab coat child • Unisex fancy dress - Free postage - New and Used
Mad scientist fancy - mad, - £11.79
Grey curly wig • Stretchy fit most • Head sizes creates - Free postage - New and Used
Grey curly wig • Stretchy fit most • Head sizes creates - Free postage - New and Used
Women mad scientist - uk, - £7.08
Lab coat stand • Collar long sleeve • Side button flared - Free postage - New and Used
Lab coat stand • Collar long sleeve • Side button flared - Free postage - New and Used
Childrens size einstein style - size, - £35.99
- Free postage - New and Used
- Free postage - New and Used
Mad scientist fancy dress - mad, - £9.99
Grey curly wig • Stretchy fit most • Head sizes creates - Free postage - New and Used
Grey curly wig • Stretchy fit most • Head sizes creates - Free postage - New and Used
Child mad scientist costume - child, - £13.70
Wig coat glasses • Necktie gloves dress • There might slightly - Free postage - New and Used
Wig coat glasses • Necktie gloves dress • There might slightly - Free postage - New and Used
Adults crazy scientist - scientist, lab - £13.99
You are buying • Adults mad scientist • Long white button - Free postage - New and Used
You are buying • Adults mad scientist • Long white button - Free postage - New and Used
Scientist wig with unibrow set - scientist, - £19.99
Scientist wig unibrow • Set hpo perfect • Those looking unleash - Free postage - New and Used
Scientist wig unibrow • Set hpo perfect • Those looking unleash - Free postage - New and Used
Mad scientist costume - mad, - £8.66
Mad scientist costume • Perfect young boys • Who want channel - Free postage - New and Used
Mad scientist costume • Perfect young boys • Who want channel - Free postage - New and Used
Wicked costumes mad - costumes, - £10.99
Wicked costumes mad • Scientist wig adult - Free postage - New and Used
Wicked costumes mad • Scientist wig adult - Free postage - New and Used
Mens mad scientist costume - mad, - £19.99
Accessories shown wig • Glasses trousers footwear • Not included keep - Free postage - New and Used
Accessories shown wig • Glasses trousers footwear • Not included keep - Free postage - New and Used
Doctor coat fancy - doctor, - £9.95
Doctor lab coat • Set surgeon mad • Scientist fancy dress - Free postage - New and Used
Doctor lab coat • Set surgeon mad • Scientist fancy dress - Free postage - New and Used
Doctor lab mad scientist coat - lab, - £9.95
Doctor professor scientist • Lab coat white • Long sleeved overcoat - Free postage - New and Used
Doctor professor scientist • Lab coat white • Long sleeved overcoat - Free postage - New and Used
Couples doctor and nurse fancy - doctor, - £10.99
Chest waist length • You are buying • Doctor nurse couples - Free postage - New and Used
Chest waist length • You are buying • Doctor nurse couples - Free postage - New and Used
Mad scientist mens halloween - mad, - £22.99
Fangs teeth wizard • Vendetta smurfs matrix • Flintstones teenage mutant - Free postage - New and Used
Fangs teeth wizard • Vendetta smurfs matrix • Flintstones teenage mutant - Free postage - New and Used
Albert einstein wig - wig, adults - £12.49
Einstein wig includes • Only kingdom fancy • Dress you might - Free postage - New and Used
Einstein wig includes • Only kingdom fancy • Dress you might - Free postage - New and Used
Kids mad scientist yr - kids, 9-10 - £8.66
Years old 134 • 140cm only lab • Jacket included brand - Free postage - New and Used
Years old 134 • 140cm only lab • Jacket included brand - Free postage - New and Used
Mens halloween costume black - halloween, - £20.99
Jacket length • Black white striped • Waist 34.5 88cm - Free postage - New and Used
Jacket length • Black white striped • Waist 34.5 88cm - Free postage - New and Used
Mad spooky scientist fancy - mad, - £6.51
Lovely costume mad • Spooky scientist age • Years george includes - Free postage - New and Used
Lovely costume mad • Spooky scientist age • Years george includes - Free postage - New and Used
Einstein wig mustache set - wig, & - £8.99
Einstein wig accessory • Material synthetic fibre • Colour white pictures - Free postage - New and Used
Einstein wig accessory • Material synthetic fibre • Colour white pictures - Free postage - New and Used
Biggles pilot goggles mad - pilot, - £77.95
Color shown picture - Free postage - New and Used
Color shown picture - Free postage - New and Used
New doctor diabolical coat - doctor, mad - £18.99
Includes coat only • Ideal party nights • All goods are - Free postage - New and Used
Includes coat only • Ideal party nights • All goods are - Free postage - New and Used
Child mad scientist - scientist, costume - £32.79
Wig coat glasses • Necktie gloves dress • There might slightly - Free postage - New and Used
Wig coat glasses • Necktie gloves dress • There might slightly - Free postage - New and Used
Mens mad scientist - mad, - £25.50
White coat also • Have high standard • Team qualified authorized - Free postage - New and Used
White coat also • Have high standard • Team qualified authorized - Free postage - New and Used
Rubies age years boys - age, - £13.96
Harness creativity imagination • This high quality • Lab coat perfect - Free postage - New and Used
Harness creativity imagination • This high quality • Lab coat perfect - Free postage - New and Used
Adult doctor lab coat crazy - doctor, - £13.99
You are buying • Adults lab coat • Blood knife includes - Free postage - New and Used
You are buying • Adults lab coat • Blood knife includes - Free postage - New and Used
Mad scientist wig latex bald - mad, - £8.99
Mad scientist wig • Includes white bald • Cap attached grey - Free postage - New and Used
Mad scientist wig • Includes white bald • Cap attached grey - Free postage - New and Used
Mens fancy dress costume - dress, - £13.99
You have choice • Short wigs different • Colours such ginger - Free postage - New and Used
You have choice • Short wigs different • Colours such ginger - Free postage - New and Used
Allaura mad scientist einstein - mad, - £15.99
White mad scientist • Wig moustache professor • Lab coat get - Free postage - New and Used
White mad scientist • Wig moustache professor • Lab coat get - Free postage - New and Used
Unisex mad scientist - unisex, - £22.00
Stay warm while • Looking like professional • Researcher brilliant inventor - Free postage - New and Used
Stay warm while • Looking like professional • Researcher brilliant inventor - Free postage - New and Used
Medical lab coat - medical, laboratory - £18.75
Easy wear removal • 91cm length 110cm • Bust 45cm shoulder - Free postage - New and Used
Easy wear removal • 91cm length 110cm • Bust 45cm shoulder - Free postage - New and Used
Kids boys mad scientist - kids, - £20.18
Material polyester uniform • Cloth also great • Gift kids important - Free postage - New and Used
Material polyester uniform • Cloth also great • Gift kids important - Free postage - New and Used
Mad scientist adult costume - scientist, | - £39.31
Party supplies decoration • You should always • Careful giving your - Free postage - New and Used
Party supplies decoration • You should always • Careful giving your - Free postage - New and Used
Wild white mad crazy - white, scientist - £10.99
Channel your inner • Mad scientist this • Bold electrifying white - Free postage - New and Used
Channel your inner • Mad scientist this • Bold electrifying white - Free postage - New and Used
Childrens mad scientist white - mad, - £23.99
This unisex kids • Mad scientist outfit • Perfect halloween features - Free postage - New and Used
This unisex kids • Mad scientist outfit • Perfect halloween features - Free postage - New and Used
Bristol novelty childrens kids - novelty, childrens/kids - £11.68
Bristol novelty 100 • Polyester contents jacket • Design printed product - Free postage - New and Used
Bristol novelty 100 • Polyester contents jacket • Design printed product - Free postage - New and Used
Child mad scientist - child, - £13.95
Child mad scientist • Fancy dress jacket • Only sizes subject - Free postage - New and Used
Child mad scientist • Fancy dress jacket • Only sizes subject - Free postage - New and Used
Xnivuis old man wig - xnivuis, - £10.02
Packaging old man • Wigsize length 24cm • 9.44 inchescolor off - Free postage - New and Used
Packaging old man • Wigsize length 24cm • 9.44 inchescolor off - Free postage - New and Used
Unisex medical lab - coat, doctor - £7.75
Colour white - Free postage - New and Used
Colour white - Free postage - New and Used
Mad scientist piece kids - piece, - £37.42
Tails authentiques captivants • Blouse laboratoire polyester • Est imprim avec - Free postage - New and Used
Tails authentiques captivants • Blouse laboratoire polyester • Est imprim avec - Free postage - New and Used
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Everything you need to know about mad scientist costume
Whether you are looking for a brand-new or second-hand mad scientist costume, eBay offers one of the largest selections available online. With 48 active listings at the time of this page's last update, you have plenty of choice across different conditions, sellers and price points. The cheapest option currently starts at £6.51, while premium listings can reach £77.95 — giving you a wide budget spread to work with. The average price of £17.18 can serve as a useful benchmark: listings below this tend to be used or auction-style, while those above often include extra accessories, warranties, or are sold by professional sellers with high feedback scores. Always check the seller's feedback rating and return policy before committing to a purchase. If you need the item quickly, filter by "Buy It Now" to avoid the uncertainty of auctions. For used items, look closely at the condition description and photos — terms like "good", "very good" and "like new" can mean very different things depending on the seller.