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Bike maker surprises 2 young sisters battling rare disease together

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Nine-year-old Maggie Monnin and her 8-year-old sister Charlie have spinal muscular atrophy, a neurodegenerative disease that can be fatal. But their smiles are a lot brighter thanks to a surprise gift from Jason Kraft, who makes motorized tricycles that are typically for senior citizens. Dylan Dreyer reports for TODAY’s series The Upside.