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What is the Science of Bubbles? |
$225.00 |
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$225.00 |
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What are Sound Waves? |
$225.00 |
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$225.00 |
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What are Storms? |
$225.00 |
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$225.00 |
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What is the Earth's Rotation? |
$225.00 |
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$225.00 |
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How do Rockets use Air Pressure? |
$225.00 |
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$225.00 |
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Why is Water Important for Animals? |
$225.00 |
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$225.00 |
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What is Nature? |
$225.00 |
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$225.00 |
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How Does Weather Affect Earth? |
$595.00 |
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$595.00 |
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