Mary Catherine and her friends have the easiest assignment ever. They just have to design an oil-free car. Electric cars are totally oil-free vehicles, aren't they? Not exactly. Readers of this humorous play will learn all about the sneaky materials hiding in even the greenest cars. Charming illustrations and plenty of humor will draw in developing readers. This informative play is the perfect way to show readers how much we rely on oil, and how important it is to find new materials.
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