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How can we Design a Car to go Farther? |
$225.00 |
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$225.00 |
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What is the Earth's Rotation? |
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$225.00 |
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What is the relationship Between Rocks & Minerals? |
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$225.00 |
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What Makes Up Matter? |
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$225.00 |
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Can you make your own Rock Collection? |
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$225.00 |
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