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How do we Make Crystals? |
$175.00 |
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$175.00 |
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How do Magnets Push and Pull? |
$225.00 |
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$225.00 |
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How do Mirrors Affect Light? |
$225.00 |
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$225.00 |
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What are the Properties of Magnets? |
$225.00 |
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$225.00 |
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How are DNA, Genes and Heredity related? |
$225.00 |
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$225.00 |
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What is the difference between Floating and Sinking? |
$175.00 |
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$175.00 |
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