DETROIT -

Now through December 31st, 7-Eleven customers can stay energized while helping others.

By purchasing a limited edition large-size holiday coffee cup designed by Will Ferrell and his 6-year-old son Mattias, customers will be helping to support Cancer for College.

Cancer for College is an organization that provides financial aid scholarships to help cancer survivors attend college.

On Black Friday, customers can double up on the energy to shop till they drop.

At participating stores from 12 a.m. to 12 p.m. customers who purchase a Red Bull product will receive a freeany-size coffee, including the limited edition cup.