Unsupported browser

You are using an outdated browser. Please upgrade your browser to improve your experience.

Sign up for an Award

Participate with your entry in one of our professional or student awards.

Sign up for an award

Sign up for a Profile

Create your own profile and publish it in the iF WORLD DESIGN GUIDE.

Sign up for a profile

Learn more:


Present your project for free and win your share of EUR 50,000 in prize money.

Publish your project

Color changing toothbrush / toothbrush

Color changing toothbrush

Toothbrush is a tool used to clean mouth caity, But we usually ignore whether it is clean
or changed on time. This kind of toothbrush can remind us relace it on schedule in order
to reduce virus in the mouth.As the time that toothbrush is used goes by.,it becomes red
from the roots.After one and a half months, The whole toothbrush becomes red so that
it can remind us change toothbrush.


Hebei university of engineering

Hebei university of engineering
handan city, China