VIDEO : Kristen Bell, Scarlett Johansson Booked for Think It Up Roadblock Telethon

Kristen Bell, Stephen Colbert, Scarlett Johansson and Matthew McConaughey are to take part in the Entertainment Industry Foundation's Think It Up roadblock, broadcast telethon.
The inaugural show will encourage viewers to support student-powered, teacher-led projects via crowdfunding on DonorsChoose.org.
EIF has had a remarkable track record with Stand Up to Cancer, having shined a spotlight and rallied Americans around an important challenge that affects us all," said Vicki Phillips, leader of the Bill and Melinda Gates Foundation's K-12 education program and a member of the Think It Up advisory committee.