Crash Test Dummy Costume
An eye-catching, high-impact look that is guaranteed to turn heads.
The Crash Test Dummy is a quirky, instantly recognizable costume choice inspired by the anthropomorphic test devices used in automotive safety testing. Perfect for those who want a humorous, high-visibility outfit, this look centers around a bright yellow bodysuit detailed with black-and-yellow hazard symbols and calibration targets. Whether you opt for a sleek second-skin suit or a DIY jumpsuit, it is a fun, high-impact choice for any party.
- Difficulty
- Easy
- Time
- ~20 min
- Budget
- $25–60
Try it on
See yourself as Crash Test Dummy
One clear photo of yourself; we render you in this costume — face untouched, full body, about 20 seconds.
One render, $1. No account needed — if it fails you're not charged. Pricing.
Your photo is sent to Google's Gemini API to make the render and isn't used for training. Renders are AI-generated and labelled.
Want a different costume on this photo, or a whole group in costume? Open the Try-On Studio.
What you need for a Crash Test Dummy costume
Short on time? Buy it ready-made
Spirit Halloween sells the complete Crash Test Dummy costume — one box instead of 5 pieces.
Yellow bodysuit or jumpsuit
A full-body spandex morphsuit or a solid yellow long-sleeve jumpsuit to serve as the base.
DIY: Use a solid yellow long-sleeve t-shirt and matching yellow sweatpants.
Black and yellow hazard tape
Adhesive vinyl tape featuring diagonal black and yellow warning stripes.
DIY: Paint diagonal black stripes onto yellow duct tape using a permanent marker.
Crash test target decals
Circular black-and-yellow quadrant symbols (calibration marks) for the chest, shoulders, and temples.
DIY: Draw the circular quadrant targets on white cardstock, color them yellow and black, and pin them to the suit.
Yellow gloves
Simple yellow cotton or spandex gloves to keep the seamless dummy look.
DIY: Use yellow dishwashing gloves for a humorous, exaggerated look.
Yellow hood or mask
A matching yellow spandex hood to cover the head and hair completely.
DIY: Apply yellow face paint over your entire face and neck instead of a mask.
Rather not assemble it? See ready-made Crash Test Dummy costumes at Spirit Halloween ↗
How to put it together
- 1
Put on the base yellow bodysuit or the yellow shirt and pants combination.
- 2
Apply the circular black-and-yellow crash test target decals to the center of the chest and the sides of the shoulders.
- 3
Wrap strips of diagonal black-and-yellow hazard tape around the joints, such as the elbows, knees, and wrists, to simulate articulation points.
- 4
Pull on the yellow spandex hood, ensuring it is aligned comfortably over your face.
- 5
If using a hood, apply smaller target decals to the sides of the head near the temples.
- 6
Put on the yellow gloves to complete the seamless, synthetic look.
Makeup & hair
If you are not wearing a full hood, slick your hair back with gel and apply bright yellow face paint over your face and neck. Use black face paint to draw a circular crash test target (divided into alternating black and yellow quadrants) on one cheek or your forehead.
Crash Test Dummy for couples, groups, kids & more
- couples
- Go as Vince and Larry, the famous public service announcement crash test dummies, by wearing matching suits with blue and gray overalls.
- group
- Have a group wear matching dummy suits while one person dresses as a car developer in a white lab coat with a clipboard.
- kids
- Use a bright yellow children's sweat suit and stick felt target decals onto the chest and knees.
- Plus size
- A loose-fitting yellow utility flight suit or coveralls decorated with hazard tape offers a comfortable, breathable fit.
- pet
- A yellow dog vest decorated with a small black-and-yellow target patch on the back.
Tips
- If wearing a full face mask or hood, ensure it is made of breathable mesh or thin spandex so you can see and breathe easily at night.
- Add a humorously placed bandage or band-aid accessory to lean into the 'post-crash' aesthetic.
- Keep your movements stiff, robotic, and slightly jerky to mimic an actual test dummy during photos.
Crash Test Dummy costume FAQ
- What is the symbol on a crash test dummy?
- It is a calibration mark, typically a circle divided into alternating black and yellow quadrants, used by high-speed cameras to track the dummy's precise movement and impact rotation.
- How do I make a DIY crash test dummy costume?
- Start with a solid yellow outfit, print out circular black-and-yellow quadrant targets on paper, tape or pin them to your chest and shoulders, and wrap hazard tape around your joints.
- Can you see through a crash test dummy morphsuit?
- Yes, standard spandex morphsuits are designed to be seen through, though visibility can be slightly reduced in low-light settings.
Did you know? The most famous crash test dummies are Vince and Larry, who starred in a popular US safety belt public service campaign starting in 1985 with the slogan 'You can learn a lot from a dummy.'