14 DIY Halloween Costumes For Science Geeks

Easy, cheap and quick!

Instead of buying a pricey Halloween costume and later regretting it, why not make your own this year?

Just scroll down to see 14 of our favorite science-themed costumes that are easy and cheap to make. They’re perfect for the office party that you forgot was happening, or for handing out candy to trick-or-treaters. Happy Halloween!


1. Nikola Tesla 

Grab a suit, draw on a mustache and strike the classic pose. 


2. Bill Nye The Science Guy

A simple blue lab coat and red bow tie will make you surprisingly recognizable. 


3. Neil deGrasse Tyson

A vest covered in planets and stars makes you a Tyson doppelganger. 


4. A Classic Mad Scientist

Gloves, a colorful "chemical" mixture and some frizzy hair complete this costume.


5. Pluto

If you can't snag a silver globe costume in time, go for a cardboard sandwich board setup, and don't forget the heart.


6. CO2 Or White Blood Cells 

Some IKEA round lampshades will make this costume a breeze. Add an egg crate bed pad for the lymphocyte look. 


7. 404 Error

Computer science lovers just need a Sharpie and a T-shirt.


8. NASA Astronaut 

All you need is duct tape, a gray sweatshirt and moon boots to mimic this look.


9. A Graduated Cylinder

You finally have a use for the graduation cap that you saved. Chemistry FTW. 

A photo posted by stu (@estuberto) on


10. NaCl

Put your blowup suit to use. 

A photo posted by Colin Sorber (@sherber12) on


11. Ms. Frizzle And Gregor Mendel  

A blue dress and some cut-out stickers, or a brown robe and some peas is all you need.

A photo posted by Jo (@singingjo) on


12. Aliens Invading The Solar System

Planets on an all-black outfit and a little alien mask.

A photo posted by Ms. Landin (@mslandinsms) on


13. Test Tube Baby

Grab some cloth, sew the edges together to form a tube shape and draw on the measurements.


14. A Limestone Deposit 

Easy: a lime, a rock and your debit card (or maybe a printed image of a debit card so you don't lose it). 

A photo posted by Tess Lemley (@tessisyes) on

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