Explore
Challenges
For Business
For Startups
Who We Are
Results
Get Started
Launch a challenge
Connect with talented problem solvers
Solve a challenge
Join our community and win prizes
Log In
menu
log in
Explore Challenges
For Business
For Startups
Who We Are
Results
share
Follow
Following
Unfollow
message
Ayumi Oyama
Ōi, Tokyo Prefecture, Japan
more
About
Challenges
Following
Activity
Awards
Activity
About
Challenges
Following
Activity
Awards
Nov. 2, 2017, 7:58 a.m. PDT
teTra
joined team
May 5, 2019, 4:51 a.m. PDT
GoFly Prize
registered for challenge
