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Heredity |
$695.00 |
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$695.00 |
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How do Electric Motors Work? |
$225.00 |
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$225.00 |
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How do I apply Pressure? |
$225.00 |
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$225.00 |
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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 DNA? |
$225.00 |
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$225.00 |
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What are Earthï¾’s Natural Resources? |
$225.00 |
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$225.00 |
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How do I Invent Something? |
$225.00 |
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$225.00 |
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What makes an object Float or Sink? |
$225.00 |
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$225.00 |
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Can you make your own magnet? |
$225.00 |
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$225.00 |
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