a freshman on the j.v. hockey team. >> one of the fathers on the team thought it would be a great idea if we gave up our phones to raise money for ian. i thought it was going to be hard. it is, like, my lifeline. every teenager uses it, like, 24-7. even in their sleep sometimes. >> reporter: so once again, students lined up, zipped up their phones in plastic bags and watched them get locked away. they all say the sacrifices >> it is awesome we can help someone else in ways i never thought i could help someone. >> i just think that, like, the sacrifice of giving up a phone is nothing compared to cancer. just, like, seeing how appreciative michelle is, every time i see her, she will give me the biggest hug. i know she means it. >> we have done a lot of things for community service. nothing as powerful as this. i think everybody would like to see a teenager put their phone down. be nice. >> reporter: kim craziy, 7 wow. the internet is crazy fast here. i know, right? it's so nice to have everyone over. hi hey. mmm. i