"She knew we were doing so well in school and I guess she wanted to show us both some granny love for the holiday," Kevin said.
He added that he was truly touched, but mostly "surprised" by the craftiness.
Grandma Donice has always been the biggest advocate for education in the family, Kevin explained. Her son, Kevin's dad, was valedictorian.
"She's always valued our education way more than anything else — since we were little," he added.