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Siblings Emma (Rhiannon Leigh Wryn) and Noah (Chris O'Neil) discover a box full of strange items they believe are toys. As the children play with the objects, their parents (Joely Richardson, Timothy Hutton) and a teacher (Rainn Wilson) notice that their intelligence level is growing by leaps and bounds. Emma reveals that her favorite toy, a stuffed rabbit called Mimzy, talks to her and has an important message from the future. Wikipedia