Home & Kitchen
How to Pull Off a Bathroom Prank with Color Changing Mats
Turn a routine shower into a horror movie scene with a simple vinyl sheet that bleeds when wet.
To pull off this prank, place the dry, white vinyl mat on the bathroom floor right where your target will step with wet feet. The moisture from their soles instantly triggers a bright red footprint effect that looks like fresh blood.
Prank Setup Checklist
- Ensure the bathroom floor is completely dry before laying down the mat.
- Place the mat directly outside the shower or tub where wet feet must land.
- Keep the top white surface clean and free of pre-existing moisture.
- Do not use this as a functional bath mat, as the vinyl material does not absorb water.
How the Magic and Horror Happens
Learning how to pull off a bathroom prank with color changing mats is simple because the setup requires almost no prep work. The mat is actually a thin, flexible vinyl sheet with a white top surface and a dark underside. When water hits the surface, it turns blood-red. The maker says this is the original water-reactive blood mat, distinguishing it from cheap imitations that use pre-painted footprints. Once the water dries, the footprints disappear, resetting the mat for your next victim.
Keep in mind that this is a non-porous vinyl sheet, not a plush rug. It will not absorb water, so your bathroom floor might get a bit slippery during the prank.