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What is the Science of Kaleidoscopes? |
$175.00 |
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$175.00 |
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How are Energy and Motion Related? |
$225.00 |
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$225.00 |
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How do Molecules Mix? |
$225.00 |
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$225.00 |
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What is the Science of Static Electricity? |
$225.00 |
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$225.00 |
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What are the Properties of Snow? |
$225.00 |
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$225.00 |
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What are the changes that Occur in Trees in Fall? |
$225.00 |
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$225.00 |
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What is the Science of Surface Tension? |
$225.00 |
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$225.00 |
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What are Levers and Wheels? |
$225.00 |
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$225.00 |
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What Foods do Animals Eat? |
$225.00 |
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$225.00 |
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