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What are Stars? |
$225.00 |
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$225.00 |
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What are Senses? |
$595.00 |
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$595.00 |
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Can you make your own magnet? |
$225.00 |
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$225.00 |
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What Makes a Ball Bounce |
$225.00 |
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$225.00 |
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Fun With Mixing and Chemistry |
$12.95 |
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$12.95 |
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What is the Law of Inertia? |
$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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