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How do Computers Work? |
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$225.00 |
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How do Plants Grow from Seeds? |
$225.00 |
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$225.00 |
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How are DNA, Genes and Heredity related? |
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$225.00 |
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What is Filtration? |
$225.00 |
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$225.00 |
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What are Atoms? |
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What Flies Besides Airplanes? |
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What is the Coastal Community? |
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$225.00 |
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Can we Build a Car? |
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$225.00 |
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What is the Life Cycle of a Butterfly? |
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$225.00 |
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How do we Make Crystals? |
$175.00 |
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$175.00 |
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