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× |
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Does Air Help Us Float? |
$225.00 |
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$225.00 |
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× |
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How does Mass Affect Motion? |
$175.00 |
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$175.00 |
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× |
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How do our Ears Hear Sound? |
$225.00 |
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$225.00 |
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× |
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Why does it Move? |
$225.00 |
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$225.00 |
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× |
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What is Water Made of? |
$175.00 |
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$175.00 |
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× |
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How can I Investigate a Pond? |
$225.00 |
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$225.00 |
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