this is 4-year-old shaley. the little brill is so animated. a little different than the actual tale "twas the night before christmas." >> i can't believe how converse ant she is for a 4-year-old. it's remarkable but look at her face. it's not just the hand movements. her whole face is selling the story. >> sheet cute as 5. >> it fun to see her do this. i don't know sign language but i didn't help but -- i couldn't help but want to watch it. >> this was created by a mom in texas, mom, dad, shaley and ivy. they do this series because they wanted to create a more natural way for young people to learn sign language. >> girls, hold on to your stomach. >> that's a long way down! 100 feet and plunging off the cliff into the powdery snow below. you'll see it captured by monster energy. watch it a little chunk of snow that's falling down with him. >> you know, when you watch this from hit angle -- when you see it from a wide angle, it looks longer for some reason. >> it is crazy that he lands safety and the snow is able to be a sorm the shock as well a