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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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× |
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How Do Straws Work? |
$225.00 |
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$225.00 |
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What Controls the Weather? |
$175.00 |
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$175.00 |
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× |
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Can we Design New Machines? |
$225.00 |
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$225.00 |
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× |
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What Makes Rocks? |
$225.00 |
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$225.00 |
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× |
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How do Animals Adapt to Water? |
$225.00 |
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$225.00 |
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