challenges
For Business
Who We Are
Results
search
Get Started
I want to launch a challenge
Connect to talented problem solvers
I want to solve a challenge
Join our community to win prizes
log in
menu
log in
challenges
For Business
Who We Are
Results
share
Follow
Following
Unfollow
zoubir adrar
share
Follow
Following
Unfollow
message
Read More about zoubir
more
Following
Activity
Awards
Following
Challenges
by Vin Cardillo
217
The Billion Dentures Project
Millions of people go without teeth. Let's do something about it.
by Society for International Development, Washington Chapter
85
SID-Washington Innovation Challenge
Challenge to identify innovative and simple technology applications shaping international development.
Activity
Awards