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2,269

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7,476

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PLANETARY SCIENCE: EXPLORE NEW FRONTIERS

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7,475

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LET’S EXPLORE PHYSICAL SCIENCE

4,366

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EXPLORE PHYSICS: 10 FUN PHYSICAL SCIENCE EXPERIMENTS

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LET’S EXPLORE LIFE SCIENCE GRADES 2-3

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EXPLORE NIGHT SCIENCE!: WITH 25 GREAT PROJECTS

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UNLOCK ROCKS: EXPLORE CLUES IN CRYSTALS WITH KITCHEN SCIENCE

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