Help me think of this movie?!

Ok when i was kid i used to watch this movie and i loved it, only i can't remember a lot of it!. I know it was about this girl whose grandmother was sick so she had to travel through her mirror to this fantasy world where there were like these tiny doll creatures!. In the end she picks some berries to give to her grandmother and help her get better but the little girl drops the berries and they dissolve!. Anyone know what i'm talking about!?Www@Enter-QA@Com

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