character: Rover the Explorer
topic: How Rovers are Built and Operated
grade: 3
subject: Science
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character: NASA Engineering Team
topic: The Process of Designing a Mars Rover
grade: 3
subject: Science
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character: Robo Rover
topic: Understanding Rover Mechanics
grade: 3
subject: Science
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character: Curiosity the Rover
topic: Exploring Mars with Rovers
grade: 3
subject: Science
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