Kids movie from late 80's early 90's I think
There was a movie that I watched once when I was younger about a young girl who had dolls that came to life and they lived in a land that she could go to if she stepped through her mirror. I know it is not Alice and Wonderland. This movie was about the girl's grandma was getting older and she wanted to keep her from being "put out to pasture" She went through the mirror in search of some berries to keep her youthful. The only thing else I remember was that there was a sea of glass in the magic land. If anyone has any ideas they would be appreciated.