The Last Mimzy (2007)

After discovering an enigmatic box of antique toys, two siblings begin to manifest extraordinary abilities. Their newfound powers subtly envelop their parents, and even their skeptical schoolteacher, pulling them into a reality tinged with wonder and veiled peril. They soon realize they are participants in a game far grander than childhood fantasy, burdened with a responsibility none of them could have ever foreseen. The stakes are higher than they imagined, and their lives will be irrevocably changed.