Transformation scenes from the french cartoon "Les contes bleus du Chat Perché" (which mean "The blue tales of the Perched Cat")
the first one is about a chicken who is changing into elephant
The second is two girls who becomes a horse and a donkey
https://www.youtube.com/watch?v=iIIZjHNMZyA
https://www.youtube.com/watch?v=sPgAGAAhN0M