I'm not sure you're looking for short animations, it sounds more like special FX in Carrara. But if it fits, here is a two minute animation in Carrara that was voted first in Rendo's Holiday animation contest 2017:

https://www.youtube.com/watch?v=EdRdpdaiyKk

An older 1 minute animation that gets more YouTube views:

https://www.youtube.com/watch?v=Dxcbh71VUlg