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How can we Design a Car to go Faster? |
$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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How do Seeds Grow into Plants? |
$225.00 |
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$225.00 |
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How do We Separate and Purify Mixtures? |
$225.00 |
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$225.00 |
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Electricity & Magnetism |
$695.00 |
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$695.00 |
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What are the Properties of Magnets? |
$225.00 |
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$225.00 |
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