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
Derek Barger
share
Follow
Following
Unfollow
Denver County, Colorado, United States
message
more
Challenges
Following
Followers
Activity
Awards
Challenges
Submissions
Mobile Solar Lab
Exciting kids about Solar energy by making solar Electric Vehicles.
read more...
by
Derek Barger
Following
Followers
Activity
Awards
