character: Sammy the Scientist
topic: Levers and Pulleys
grade: 2
subject: Science
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character: Annie the Engineer
topic: Simple Machines
grade: 2
subject: Science
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character: Benny the Builder
topic: Using Pulleys in Construction
grade: 2
subject: Science
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character: Cathy the Creator
topic: How Levers Work
grade: 2
subject: Science
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